/**
 * 展示页系统 - 主样式文件
 * 现代化、简洁、美观的设计风格
 * 支持响应式布局
 */

/* ==================== CSS变量系统 ==================== */
:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --primary-active: #096dd9;
    --primary-dark: #0958d9;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #f5222d;
    --info-color: #13c2c2;
    
    --text-primary: #262626;
    --text-secondary: #8c8c8c;
    --text-tertiary: #bfbfbf;
    --text-white: #ffffff;
    
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --bg-dark: #001529;
    
    --border-color: #f0f0f0;
    --border-color-split: #e8e8e8;
    --border-light: #f5f5f5;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px 0 rgba(0, 0, 0, 0.02);
    --shadow-card-hover: 0 6px 16px -8px rgba(0, 0, 0, 0.08), 0 9px 28px 6px rgba(0, 0, 0, 0.05), 0 12px 48px 16px rgba(0, 0, 0, 0.03);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    --transition-fast: all 0.2s ease;
}

/* ==================== 全局重置 ==================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5715;
    color: var(--text-primary);
    background: linear-gradient(180deg, #f0f2f5 0%, #f8f9fa 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

/* ==================== 容器布局 ==================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-fluid {
    width: 100%;
    padding: 0 24px;
}

/* ==================== 顶部导航栏 ==================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.navbar-brand img {
    height: 36px;
    max-height: 36px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.navbar-brand:hover {
    color: var(--primary-hover);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.06);
}

.nav-link-register {
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    padding: 6px 16px;
    margin-left: 8px;
}

.nav-link-register:hover {
    background: var(--primary-dark);
    color: white;
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.1);
}

.nav-link i {
    font-size: 16px;
}

/* 移动端菜单按钮 */
.navbar-toggle {
    display: none;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-primary);
}

/* ==================== 英雄区域 ==================== */
.hero-section {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.hero-search {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    position: relative;
}

.hero-search-input {
    width: 100%;
    padding: 16px 60px 16px 24px;
    font-size: 16px;
    border: none;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    outline: none;
    transition: var(--transition);
}

.hero-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-search-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-50%) scale(1.05);
}

.hero-search-input:focus {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}

.hero-search-input::placeholder {
    color: var(--text-tertiary);
}

/* ==================== 公告栏 ==================== */
.announcement-bar {
    background: linear-gradient(135deg, #fff7e6 0%, #fffbf0 100%);
    border-bottom: 1px solid rgba(250, 173, 20, 0.2);
    padding: 12px 24px;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 14px;
    color: #ad6800;
}

.announcement-icon {
    font-size: 16px;
    animation: bellRing 2s ease-in-out infinite;
}

@keyframes bellRing {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
    50% { transform: rotate(0deg); }
}

/* ==================== 公告列表 ==================== */
.announcements-section {
    padding: 32px 0;
    background: var(--bg-secondary);
}

.announcements-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.announcement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.announcement-item:hover {
    transform: translateX(8px);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.announcement-item i:first-child {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff7e6, #ffe7ba);
    color: #fa8c16;
    border-radius: 10px;
    font-size: 14px;
    flex-shrink: 0;
}

.announcement-title {
    flex: 1;
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.announcement-arrow {
    color: var(--text-tertiary);
    font-size: 12px;
    transition: all 0.3s ease;
}

.announcement-item:hover .announcement-arrow {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* ==================== 分类导航 ==================== */
.category-nav {
    padding: 24px 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    list-style: none;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.category-item:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-item.active {
    background: var(--primary-color);
    color: #fff;
}

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

/* ==================== 卡片网格 ==================== */
.cards-section {
    padding: 40px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary-color);
}

.section-more {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* ==================== 卡片样式 ==================== */
.card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    box-shadow: var(--shadow-card);
    --card-color: #1890ff;
    --card-color-light: #40a9ff;
    --card-color-rgb: 24, 144, 255;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-color) 0%, var(--card-color-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(var(--card-color-rgb), 0.03) 0%, rgba(var(--card-color-rgb), 0.06) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover), 0 4px 20px rgba(var(--card-color-rgb), 0.2);
    border: 2px solid var(--card-color);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover::after {
    opacity: 1;
}

.card-link {
    display: block;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.card-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    background: transparent;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.card:hover .card-logo {
    transform: scale(1.05);
}

.card-info {
    flex: 1;
    min-width: 0;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-url {
    font-size: 12px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.card-tag {
    padding: 4px 10px;
    font-size: 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 50px;
    transition: var(--transition-fast);
}

.card:hover .card-tag {
    background: rgba(var(--card-color-rgb), 0.1);
    color: var(--card-color);
}

/* 推荐卡片特殊样式 */
.card.featured {
    border-color: rgba(250, 173, 20, 0.3);
}

.card.featured::before {
    background: linear-gradient(90deg, #faad14 0%, #ffc53d 100%);
}

.card.featured .card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    background: linear-gradient(135deg, #faad14 0%, #ffc53d 100%);
    color: #fff;
    border-radius: 50px;
    box-shadow: 0 2px 8px rgba(250, 173, 20, 0.3);
}

/* ==================== 友情链接 ==================== */
/* ==================== 热门标签 ==================== */
.tags-section {
    padding: 40px 0;
    background: var(--bg-primary);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
    text-decoration: none;
}

.tag-item:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.tag-count {
    font-size: 12px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    color: var(--text-tertiary);
}

.tag-item:hover .tag-count {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* ==================== 友情链接 ==================== */
.links-section {
    padding: 40px 0;
    background: var(--bg-secondary);
}

.links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.link-item:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.link-item img {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

/* ==================== 页脚 ==================== */
.site-footer {
    margin-top: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 100%;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

/* 波浪装饰 */
.footer-wave {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.footer-wave svg {
    position: relative;
    display: block;
    width: 100%;
    max-width: 100%;
    height: 80px;
}

.footer-wave path {
    fill: #f0f2f5;
}

.footer-wave .wave-path-1 {
    opacity: 0.25;
}

.footer-wave .wave-path-2 {
    opacity: 0.5;
}

.footer-wave .wave-path-3 {
    opacity: 1;
}

/* 底部容器 */
.footer-container {
    padding: 20px;
    text-align: center;
}

/* 版权信息 */
.footer-copyright {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.6;
}

.footer-copyright i {
    margin-right: 6px;
}

.footer-copyright a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-contact {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    margin-top: 8px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.footer-contact a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* 暗黑主题 */
body.dark-theme .site-footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

body.dark-theme .footer-wave path {
    fill: #1a1a2e;
}


/* ==================== 加载动画 ==================== */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }
    
    .navbar-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .navbar-nav.show {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
    }
    
    .hero-section {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-search-input {
        padding: 14px 20px;
        font-size: 14px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .category-list {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }
    
    .category-item {
        flex-shrink: 0;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .card-link {
        padding: 16px;
    }
    
    .card-logo {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .card-title {
        font-size: 15px;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

/* 卡片入场动画 */
.cards-grid .card {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.cards-grid .card:nth-child(1) { animation-delay: 0.05s; }
.cards-grid .card:nth-child(2) { animation-delay: 0.1s; }
.cards-grid .card:nth-child(3) { animation-delay: 0.15s; }
.cards-grid .card:nth-child(4) { animation-delay: 0.2s; }
.cards-grid .card:nth-child(5) { animation-delay: 0.25s; }
.cards-grid .card:nth-child(6) { animation-delay: 0.3s; }
.cards-grid .card:nth-child(7) { animation-delay: 0.35s; }
.cards-grid .card:nth-child(8) { animation-delay: 0.4s; }

/* ==================== 黑暗主题 ==================== */
body.dark-theme {
    --primary-color: #177ddc;
    --primary-hover: #3c9ae8;
    --text-primary: #f0f0f0;
    --text-secondary: #a6a6a6;
    --text-tertiary: #666666;
    --bg-primary: #141414;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #262626;
    --border-color: #303030;
    --border-color-split: #3a3a3a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    background: #0a0a0a !important;
}

/* 导航栏 */
body.dark-theme .navbar {
    background: rgba(20, 20, 20, 0.95) !important;
    border-bottom-color: var(--border-color) !important;
}

body.dark-theme .navbar-brand {
    color: var(--primary-color);
}

body.dark-theme .navbar-toggle {
    color: var(--text-primary);
}

/* 英雄区域 */
body.dark-theme .hero-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%) !important;
}

body.dark-theme .hero-search-input {
    background: rgba(30, 30, 30, 0.95);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

body.dark-theme .hero-search-input::placeholder {
    color: var(--text-tertiary);
}

/* 公告栏 */
body.dark-theme .announcement-bar {
    background: linear-gradient(135deg, #2c2416 0%, #1a1508 100%) !important;
    border-bottom-color: rgba(250, 173, 20, 0.3) !important;
}

body.dark-theme .announcement-content {
    color: #ffc53d;
}

/* 分类导航 */
body.dark-theme .category-nav {
    background: var(--bg-primary) !important;
    border-bottom-color: var(--border-color) !important;
}

body.dark-theme .category-item {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

body.dark-theme .category-item:hover,
body.dark-theme .category-item.active {
    background: var(--primary-color);
    color: #fff;
}

/* 卡片区域 */
body.dark-theme .cards-section {
    background: transparent;
}

body.dark-theme .card {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

body.dark-theme .card:hover {
    border-color: var(--primary-color) !important;
}

body.dark-theme .card-title {
    color: var(--text-primary) !important;
}

body.dark-theme .card-url {
    color: var(--text-tertiary) !important;
}

body.dark-theme .card-description {
    color: var(--text-secondary) !important;
}

body.dark-theme .card-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

body.dark-theme .card:hover .card-tag {
    background: rgba(23, 125, 220, 0.2);
    color: var(--primary-color);
}

/* 推荐卡片 */
body.dark-theme .card.featured {
    border-color: rgba(250, 173, 20, 0.4) !important;
}

body.dark-theme .card-badge {
    background: linear-gradient(135deg, #d48806 0%, #faad14 100%);
}

/* 友情链接 */
body.dark-theme .links-section {
    background: var(--bg-secondary) !important;
}

body.dark-theme .link-item {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

body.dark-theme .link-item:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 热门标签黑暗主题 */
body.dark-theme .tags-section {
    background: var(--bg-secondary);
}

body.dark-theme .tag-item {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-theme .tag-count {
    background: var(--bg-secondary);
}

/* 文章区域 */
body.dark-theme .articles-section {
    background: transparent;
}

body.dark-theme .article-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .article-card:hover {
    border-color: var(--primary-color);
}

body.dark-theme .article-card-title {
    color: var(--text-primary);
}

body.dark-theme .article-cover-thumb .no-cover {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

/* 面包屑导航 */
body.dark-theme .breadcrumb-nav {
    background: var(--bg-secondary);
    border-bottom-color: var(--border-color);
}

body.dark-theme .breadcrumb a {
    color: var(--text-secondary);
}

body.dark-theme .breadcrumb li:last-child {
    color: var(--text-primary);
}

/* 文章列表页 */
body.dark-theme .category-tab {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

body.dark-theme .category-tab:hover,
body.dark-theme .category-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

body.dark-theme .search-result-tip {
    background: rgba(23, 125, 220, 0.1);
    border-color: rgba(23, 125, 220, 0.3);
    color: var(--text-primary);
}

body.dark-theme .article-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .article-item:hover {
    border-color: var(--primary-color);
}

body.dark-theme .article-title a {
    color: var(--text-primary);
}

body.dark-theme .article-summary {
    color: var(--text-secondary);
}

body.dark-theme .article-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* 侧边栏 */
body.dark-theme .sidebar-widget {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .widget-title {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

body.dark-theme .search-form input {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-theme .recommend-list li a {
    color: var(--text-secondary);
}

body.dark-theme .recommend-list li a:hover {
    color: var(--primary-color);
}

body.dark-theme .tag-item {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

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

/* 文章详情页 */
body.dark-theme .article-detail .article-title {
    color: var(--text-primary);
}

body.dark-theme .article-meta-detail {
    color: var(--text-secondary);
}

body.dark-theme .badge-original {
    background: rgba(82, 196, 26, 0.2);
    color: #52c41a;
}

body.dark-theme .article-body {
    color: var(--text-primary);
}

body.dark-theme .article-body code {
    background: var(--bg-tertiary);
}

body.dark-theme .article-body pre {
    background: var(--bg-tertiary);
}

body.dark-theme .article-body blockquote {
    border-left-color: var(--primary-color);
    color: var(--text-secondary);
}

body.dark-theme .article-tags-detail .tag-link {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

body.dark-theme .article-copyright {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

body.dark-theme .nav-link-item {
    background: var(--bg-tertiary);
}

body.dark-theme .nav-link-item .label {
    color: var(--text-tertiary);
}

body.dark-theme .nav-link-item a {
    color: var(--text-primary);
}

/* 相关文章 */
body.dark-theme .related-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .related-title {
    color: var(--text-primary);
}

body.dark-theme .related-item .no-cover {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

/* 分页 */
body.dark-theme .page-link {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

body.dark-theme .page-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 广告容器 */
body.dark-theme .ad-container {
    background: transparent;
}

/* 主题切换按钮 */
.theme-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 18px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
}

body.dark-theme .theme-toggle {
    background: var(--bg-tertiary);
}

/* ==================== 面包屑导航 ==================== */
.breadcrumb-nav {
    background: var(--bg-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-size: 14px;
}

.breadcrumb li::after {
    content: "/";
    margin-left: 8px;
    color: var(--text-tertiary);
}

.breadcrumb li:last-child::after {
    display: none;
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.breadcrumb li:last-child {
    color: var(--text-primary);
}

/* ==================== 文章列表页 ==================== */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    padding: 32px 0;
}

.article-list-wrapper {
    min-width: 0;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.category-tab {
    padding: 8px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

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

.search-result-tip {
    padding: 12px 16px;
    background: #e6f7ff;
    border: 1px solid #91d5ff;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    color: var(--text-primary);
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.article-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.article-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.article-cover {
    width: 240px;
    height: 160px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

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

.article-item:hover .article-cover img {
    transform: scale(1.05);
}

.article-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 13px;
}

.article-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.article-badge.top { background: #fff1f0; color: #f5222d; }
.article-badge.recommend { background: #e6f7ff; color: #1890ff; }
.article-badge.original { background: #f6ffed; color: #52c41a; }

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

.article-meta time {
    color: var(--text-tertiary);
}

.article-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

.article-summary {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
}

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

.article-tags {
    display: flex;
    gap: 8px;
}

.article-tag {
    padding: 2px 10px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-secondary);
}

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

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-widget {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.widget-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-title i {
    color: var(--primary-color);
}

.search-form {
    display: flex;
    gap: 8px;
}

.search-form input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-form button {
    padding: 10px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.recommend-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommend-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
}

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

.recommend-list img {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 4px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

/* ==================== 文章详情页 ==================== */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.article-header {
    text-align: center;
    margin-bottom: 32px;
}

.article-detail .article-title {
    font-size: 28px;
    margin-bottom: 20px;
}

.article-meta-detail {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

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

.badge-original {
    padding: 4px 12px;
    background: #f6ffed;
    color: #52c41a;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
}

.article-cover-large {
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-cover-large img {
    width: 100%;
    height: auto;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

/* 隐藏文章内容中的空元素 */
.article-body p:empty,
.article-body div:empty:not(.video-container):not(.dplayer),
.article-body > br:first-child {
    display: none;
}

/* 隐藏只包含br的段落 */
.article-body p:has(br:only-child) {
    display: none;
}

/* 编辑器插入的空白块 - 更强的规则 */
.article-body div[style]:not([class]):not(:has(img)):not(:has(video)):not(:has(iframe)),
.article-body div:not([class]):not([id]):not(:has(*)) {
    display: none !important;
}

/* 隐藏空的版权容器（保险） */
.article-copyright:empty {
    display: none;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    margin: 24px 0 16px;
    font-weight: 600;
}

.article-body p {
    margin-bottom: 16px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 16px 0;
}

.article-body pre {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 16px 0;
}

.article-body code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: Consolas, Monaco, monospace;
}

.article-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-secondary);
}

/* 回复可见提示 */
.reply-to-view {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}

.reply-to-view-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reply-to-view-icon i {
    font-size: 24px;
    color: var(--text-tertiary);
}

.reply-to-view h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.reply-to-view p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 14px;
}

.reply-to-view .reply-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.reply-to-view .btn-primary {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    background: var(--primary-color);
    border: none;
    color: white;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.reply-to-view .btn-primary:hover {
    background: var(--primary-hover);
}

.reply-to-view .btn-outline {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.reply-to-view .btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.reply-to-view .divider-text {
    color: var(--text-tertiary);
    font-size: 13px;
}

body.dark-theme .reply-to-view {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

.article-tags-detail {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tag-link {
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 14px;
}

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

.article-copyright {
    margin-top: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-secondary);
}

.article-nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.nav-link-item {
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.nav-link-item.next {
    text-align: right;
}

.nav-link-item .label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    display: block;
}

.nav-link-item a {
    color: var(--text-primary);
    font-weight: 500;
}

.nav-link-item a:hover {
    color: var(--primary-color);
}

.nav-link-item.empty {
    background: transparent;
}

/* 相关文章 */
.related-articles {
    margin-top: 48px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.related-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.related-item .no-cover {
    width: 100%;
    height: 120px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-tertiary);
}

.related-title {
    display: block;
    padding: 12px;
    font-size: 14px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== 广告容器 ==================== */
.ad-container {
    margin: 24px 0;
    text-align: center;
}

.ad-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.ad-container.ad-middle {
    padding: 16px 0;
    background: var(--bg-secondary);
}

.ad-container.ad-article,
.ad-container.ad-list {
    margin: 16px 0;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.ad-container:empty {
    display: none;
}

/* 视频容器 */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    background: #000;
    border-radius: var(--radius-md);
    margin: 16px 0;
    overflow: hidden;
}

.video-container:empty,
.video-container:not([data-video-url]) {
    display: none;
}

.video-container > div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* DPlayer 容器 */
.dplayer {
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* 侧边栏广告 */
.sidebar-ad {
    text-align: center;
}

.sidebar-ad img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.page-link {
    padding: 10px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition);
}

.page-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.page-info {
    color: var(--text-tertiary);
    font-size: 14px;
}

/* ==================== 响应式 - 文章 ==================== */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .article-item {
        flex-direction: column;
    }
    
    .article-cover {
        width: 100%;
        height: 180px;
    }
    
    .article-detail .article-title {
        font-size: 22px;
    }
    
    .article-nav-links {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 首页文章卡片 ==================== */
.articles-section {
    padding: 40px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    display: block;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.article-cover-thumb {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

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

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

.article-cover-thumb .no-cover {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-tertiary);
}

.article-card-body {
    padding: 16px;
}

.article-card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.article-card-body time {
    font-size: 12px;
    color: var(--text-tertiary);
}

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== SEO模块区域 ==================== */
.seo-modules-section {
    padding: 40px 0;
    background: var(--bg-secondary);
}

.seo-modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.seo-module {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.module-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.module-title i {
    color: var(--primary-color);
}

/* 标签云 */
.tag-cloud-home {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.tag-cloud-item .tag-count {
    background: rgba(0,0,0,0.1);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

.tag-cloud-item:hover .tag-count {
    background: rgba(255,255,255,0.2);
}

/* 热门文章列表 */
.hot-article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hot-article-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.hot-article-list li:last-child {
    border-bottom: none;
}

.rank-num {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.rank-num.top {
    background: linear-gradient(135deg, #f5222d 0%, #fa541c 100%);
    color: white;
}

.hot-article-list li a {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

/* 网站统计 */
.site-stats-home {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
}

.stat-item {
    padding: 16px 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.stat-num {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* SEO模块响应式 */
@media (max-width: 1024px) {
    .seo-modules-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-stats-home {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stat-num {
        font-size: 24px;
    }
}

/* 黑暗主题 - SEO模块 */
body.dark-theme .seo-modules-section {
    background: var(--bg-primary);
}

body.dark-theme .seo-module {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .module-title {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

body.dark-theme .tag-cloud-item {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

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

body.dark-theme .hot-article-list li {
    border-bottom-color: var(--border-color);
}

body.dark-theme .rank-num {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

body.dark-theme .hot-article-list li a {
    color: var(--text-secondary);
}

body.dark-theme .hot-article-list li a:hover {
    color: var(--primary-color);
}

body.dark-theme .stat-item {
    background: var(--bg-tertiary);
}

body.dark-theme .stat-num {
    color: var(--primary-color);
}

body.dark-theme .stat-label {
    color: var(--text-tertiary);
}

/* ==================== 页面内容卡片样式 ==================== */
.page-content-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.page-content-header {
    background: linear-gradient(135deg, #f0f5ff 0%, #e6f7ff 100%);
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
}

.page-content-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-content-title i {
    color: var(--primary-color);
}

.page-content-body {
    padding: 32px;
}

.page-content-text {
    line-height: 1.8;
    color: var(--text-primary);
}

.page-content-text h2 {
    font-size: 20px;
    color: var(--text-primary);
    margin: 24px 0 16px;
}

.page-content-text h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin: 20px 0 12px;
}

.page-content-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.page-content-text ul {
    color: var(--text-secondary);
    padding-left: 20px;
    margin-bottom: 16px;
}

.page-content-text li {
    margin-bottom: 8px;
}

.page-content-text a {
    color: var(--primary-color);
}

.page-content-text a:hover {
    text-decoration: underline;
}

/* ==================== 联系方式样式 ==================== */
.contact-intro {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 15px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-info-item:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: #fff;
    font-size: 20px;
}

.contact-detail {
    flex: 1;
}

.contact-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-value {
    color: var(--primary-color);
    font-size: 15px;
}

.contact-value:hover {
    text-decoration: underline;
}

.contact-extra {
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.contact-extra h3 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-extra p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.contact-extra ul {
    color: var(--text-secondary);
    padding-left: 20px;
    margin-bottom: 16px;
}

.contact-extra li {
    margin-bottom: 6px;
}

.contact-note {
    color: var(--text-tertiary) !important;
    font-size: 13px;
}

/* ==================== 黑暗主题 - 页面内容 ==================== */
body.dark-theme .page-content-card {
    background: var(--bg-secondary);
}

body.dark-theme .page-content-header {
    background: linear-gradient(135deg, rgba(23, 125, 220, 0.15) 0%, rgba(23, 125, 220, 0.05) 100%);
    border-bottom-color: var(--border-color);
}

body.dark-theme .page-content-title {
    color: var(--text-primary);
}

body.dark-theme .page-content-text h2,
body.dark-theme .page-content-text h3 {
    color: var(--text-primary);
}

body.dark-theme .page-content-text p,
body.dark-theme .page-content-text ul {
    color: var(--text-secondary);
}

body.dark-theme .contact-intro {
    color: var(--text-secondary);
}

body.dark-theme .contact-info-item {
    background: var(--bg-tertiary);
}

body.dark-theme .contact-info-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-theme .contact-label {
    color: var(--text-primary);
}

body.dark-theme .contact-extra {
    background: var(--bg-tertiary);
}

body.dark-theme .contact-extra h3 {
    color: var(--text-primary);
}

body.dark-theme .contact-extra p,
body.dark-theme .contact-extra ul {
    color: var(--text-secondary);
}

/* ==================== 404错误页面 ==================== */
.error-page {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
}

.error-icon {
    font-size: 80px;
    color: var(--primary-color);
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 16px;
}

.error-message {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.error-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* 黑暗主题 */
body.dark-theme .error-code {
    color: var(--text-primary);
}

body.dark-theme .error-message {
    color: var(--text-secondary);
}

/* ==================== 搜索页面样式 ==================== */
.search-page-header {
    text-align: center;
    padding: 60px 0 40px;
}

.search-page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.search-page-title i {
    color: var(--primary-color);
}

.search-form-large {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 12px;
}

.search-input-large {
    flex: 1;
    padding: 16px 20px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.search-input-large:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.search-btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 500;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.search-btn-large:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.search-stats {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 15px;
}

.search-stats strong {
    color: var(--primary-color);
    font-weight: 600;
}

.search-section {
    margin-bottom: 40px;
}

.search-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-section-title i {
    color: var(--primary-color);
}

.search-section-title .count {
    background: var(--primary-color);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

.search-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.search-empty i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.search-empty h3 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.search-empty p {
    font-size: 14px;
}

.search-tip {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.search-tip i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--primary-color);
    opacity: 0.5;
}

.search-tip p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* 文章列表样式 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.article-list-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.article-list-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.article-thumb {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.article-list-item .article-content {
    flex: 1;
    min-width: 0;
}

.article-list-item .article-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-list-item .article-summary {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-list-item .article-date {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* 黑暗主题搜索页面 */
body.dark-theme .search-input-large {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .article-list-item {
    background: var(--bg-secondary);
}

body.dark-theme .article-list-item:hover {
    border-color: var(--primary-color);
}

/* ==================== Toast提示样式 ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    pointer-events: auto;
    min-width: 280px;
    max-width: 400px;
    animation: toastIn 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

.toast-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    font-size: 14px;
    opacity: 0.6;
    transition: var(--transition);
}

.toast-close:hover {
    opacity: 1;
    color: var(--text-secondary);
}

/* Toast类型 */
.toast.toast-success {
    border-left-color: var(--success-color);
}
.toast.toast-success .toast-icon {
    color: var(--success-color);
}

.toast.toast-error {
    border-left-color: var(--danger-color);
}
.toast.toast-error .toast-icon {
    color: var(--danger-color);
}

.toast.toast-warning {
    border-left-color: var(--warning-color);
}
.toast.toast-warning .toast-icon {
    color: var(--warning-color);
}

.toast.toast-info {
    border-left-color: var(--info-color);
}
.toast.toast-info .toast-icon {
    color: var(--info-color);
}

/* Toast动画 */
@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* 黑暗主题Toast */
body.dark-theme .toast {
    background: var(--bg-secondary);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* 响应式Toast */
@media (max-width: 480px) {
    .toast-container {
        left: 16px;
        right: 16px;
    }
    .toast {
        min-width: auto;
        max-width: none;
    }
}

/* ==================== 通用卡片悬停效果 ==================== */
.card-hover {
    position: relative;
    transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    --card-color: var(--primary-color, #1890ff);
}

.card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-color) 0%, color-mix(in srgb, var(--card-color) 70%, #667eea) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
    z-index: 1;
    border-radius: 10px 10px 0 0;
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 8px color-mix(in srgb, var(--card-color) 30%, transparent);
    border-color: var(--card-color);
}

.card-hover:hover::before {
    transform: scaleX(1);
}

body.dark-theme .card-hover:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), 0 2px 8px color-mix(in srgb, var(--card-color) 40%, transparent);
}

/* 卡片悬停颜色变体 */
.card-hover.card-sign { --card-color: #52c41a; }
.card-hover.card-redeem { --card-color: #fa8c16; }
.card-hover.card-invite { --card-color: #13c2c2; }
.card-hover.card-info { --card-color: #1890ff; }
.card-hover.card-history { --card-color: #722ed1; }
.card-hover.card-key { --card-color: #eb2f96; }
.card-hover.card-user { --card-color: #667eea; }

/* ==================== 卡片隐藏与展开 ==================== */
.card-hidden {
    display: none !important;
}

.cards-expand-wrapper {
    text-align: center;
    margin-top: 24px;
    padding-top: 16px;
}

.btn-expand-cards {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-expand-cards:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.05);
}

.btn-expand-cards .expand-count {
    color: var(--text-tertiary);
    font-size: 13px;
}

.btn-expand-cards i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

/* 分类卡片计数 */
.card-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: var(--primary-color);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    margin-left: 8px;
}

/* 分类卡片区块间距 */
.category-cards-section {
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
}

.category-cards-section:last-of-type {
    border-bottom: none;
}

/* 推荐卡片区块 */
.featured-section {
    padding: 40px 0;
    background: linear-gradient(180deg, rgba(250, 173, 20, 0.03) 0%, transparent 100%);
}

/* ==================== 混合文章布局 ==================== */
.articles-mixed-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}

/* 有图文章网格 */
.articles-grid-with-image {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.articles-grid-with-image .article-card {
    display: block;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.articles-grid-with-image .article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.articles-grid-with-image .article-cover-thumb {
    width: 100%;
    height: 140px;
    overflow: hidden;
}

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

.articles-grid-with-image .article-card:hover .article-cover-thumb img {
    transform: scale(1.05);
}

.articles-grid-with-image .article-card-body {
    padding: 16px;
}

.articles-grid-with-image .article-card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.article-card-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.articles-grid-with-image .article-card-body time {
    font-size: 12px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.articles-grid-with-image .article-card-body time i {
    font-size: 11px;
}

/* 无图文章列表 */
.articles-list-no-image {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.articles-list-no-image .list-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.articles-list-no-image .list-header i {
    color: var(--primary-color);
}

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

.article-text-list li {
    border-bottom: 1px dashed var(--border-color);
}

.article-text-list li:last-child {
    border-bottom: none;
}

.article-text-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    transition: var(--transition);
}

.article-text-list li a:hover {
    background: var(--bg-secondary);
}

.article-text-title {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.article-text-list time {
    font-size: 12px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

/* 文章混合布局响应式 */
@media (max-width: 1024px) {
    .articles-mixed-layout {
        grid-template-columns: 1fr;
    }
    
    .articles-list-no-image {
        order: 1;
    }
}

@media (max-width: 768px) {
    .articles-grid-with-image {
        grid-template-columns: 1fr;
    }
}

/* 黑暗主题 - 卡片展开按钮 */
body.dark-theme .btn-expand-cards {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

body.dark-theme .btn-expand-cards:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(23, 125, 220, 0.1);
}

body.dark-theme .category-cards-section {
    border-bottom-color: var(--border-color);
}

body.dark-theme .featured-section {
    background: linear-gradient(180deg, rgba(250, 173, 20, 0.05) 0%, transparent 100%);
}

/* 黑暗主题 - 无图文章列表 */
body.dark-theme .articles-list-no-image {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .articles-list-no-image .list-header {
    background: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
}

body.dark-theme .article-text-list li {
    border-bottom-color: var(--border-color);
}

body.dark-theme .article-text-list li a:hover {
    background: var(--bg-tertiary);
}

body.dark-theme .article-text-title {
    color: var(--text-primary);
}

body.dark-theme .articles-grid-with-image .article-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

body.dark-theme .articles-grid-with-image .article-card:hover {
    border-color: var(--primary-color);
}

body.dark-theme .articles-grid-with-image .article-card-title {
    color: var(--text-primary);
}

body.dark-theme .article-card-summary {
    color: var(--text-secondary);
}