/* ==========================================================================
   # VARIABLES & RESET
   ========================================================================== */
:root {
    /* Colors */
    --primary-color: #1e50a2;
    --secondary-color: #e63946;
    --light-bg: #f5f7fa;
    --dark-text: #333;
    --light-text: #777;
    --border-color: #e0e0e0;
    --white: #ffffff;
    --black: #000000;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    
    /* Box Shadow */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles
   ========================================================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
    min-height: 100vh;
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Layout Components
   ========================================================================== */
/* Navigation Styles */
header nav {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

header nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    justify-content: center;
}

header nav ul li {
    flex: 0 0 auto;
    width: 33.333%;
    text-align: center;
}

header nav ul li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: #fff;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

header nav ul li a:hover {
    background-color: rgba(0, 0, 0, 0.05);
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 8px 20px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn:hover {
    background-color: darken(var(--primary-color, 10%));
    transform: translateY(-1px);
    text-decoration: none;
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* ==========================================================================
   # FORMS
   ========================================================================== */
input,
button,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    margin: 0;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--white);
    transition: border-color var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(30, 80, 162, 0.1);
}

/* ==========================================================================
   # UTILITIES
   ========================================================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   # LAYOUT
   ========================================================================== */
.main-content {
    padding: var(--spacing-xl) 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   # ABOUT PAGE STYLES
   ========================================================================== */
.about-section {
    padding: var(--spacing-lg) 0;
}

.about-content {
    margin-bottom: var(--spacing-xl);
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-year {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.timeline-content {
    margin-left: 20px;
    padding-left: 20px;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 0;
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* Team Grid Styles */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.team-member {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.member-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: var(--light-bg);
    border-radius: 50%;
}

.member-role {
    color: var(--primary-color);
    font-size: 0.875rem;
    margin: var(--spacing-sm) 0;
}

/* Contact Info Styles */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.contact-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.social-link:hover {
    color: var(--secondary-color);
}

/* ==========================================================================
   # RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 0;
    }

    .timeline::before {
        display: none;
    }

    .timeline-content {
        margin-left: 0;
        padding-left: 0;
    }

    .timeline-content::before {
        display: none;
    }
}

/* ==========================================================================
   # PRINT STYLES
   ========================================================================== */
@media print {
    .no-print,
    .sidebar,
    .main-nav,
    .footer {
        display: none !important;
    }

    .timeline::before,
    .timeline-content::before {
        display: none;
    }
}

@media (max-width: 992px) {
    .content-wrapper {
        grid-template-columns: 1fr 250px;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   # CARDS
   ========================================================================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--light-bg);
}
        
/* ==========================================================================
   # HEADER
   ========================================================================== */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--dark-text);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    text-decoration: none;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* ==========================================================================
   # BREADCRUMB
   ========================================================================== */
.breadcrumb-wrapper {
    background: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin: 0 0 var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    list-style: none;
    font-size: 14px;
    color: var(--light-text);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: var(--white);
    background-color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--light-text);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 var(--spacing-xs);
    color: var(--border-color);
    font-size: 12px;
    user-select: none;
}

/* ==========================================================================
   # ARTICLE LIST
   ========================================================================== */
.article-list {
    display: grid;
    gap: var(--spacing-lg);
}

.article-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
}

.article-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.article-thumbnail {
    width: 200px;
    height: 150px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.article-content {
    flex: 1;
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 文章摘要样式 */
.article-abstract {
    margin: 20px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
}

.article-abstract:before {
    content: '摘要：';
    font-weight: 600;
    color: #2c3e50;
    margin-right: 8px;
}

/* 特色图片样式 */
.featured-image {
    margin: 20px 0;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.featured-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.featured-image img:hover {
    transform: scale(1.02);
}

/* 图片标题样式 */
.figure-caption {
    margin-top: 8px;
    font-size: 12px;
    color: #666;
    text-align: center;
    padding: 0 10px;
}

.article-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.25rem;
}

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

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

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--light-text);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.article-excerpt {
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-articles .hot-item .hot-meta {
    font-size: 12px;
    color: var(--light-text);
}

/* 分类文章样式 */
.category-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

.category-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    overflow-x: auto;
}

.tab-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-weight: 500;
    color: var(--dark-text);
    transition: all var(--transition-normal);
    border-bottom: 2px solid transparent;
    position: relative;
    flex-shrink: 0;
    min-width: 120px;
    text-align: center;
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    font-weight: 600;
}

.category-articles {
    display: grid;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.article-group {
    display: none;
}

.article-group.active {
    display: grid;
    grid-template-columns: inherit;
    gap: inherit;
}

.article-card {
    background: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-2px);
}

.article-image {
    height: 150px; /* 移动端降低高度 */
    min-height: 100px;
    max-height: 200px;
    background: #2c6fd1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.article-content {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.article-title {
    margin: 0;
    font-size: 16px;
    line-height: 1.4;
    color: var(--dark-text);
    transition: color var(--transition-normal);
}

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

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

/* Responsive Layout */
@media (max-width: 768px) {
    .category-tabs {
        overflow-x: auto;
        padding: 0;
    }
    
    .category-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .tab-item {
        min-width: 120px;
        text-align: center;
    }
    
    .category-articles {
        padding: 0 var(--spacing-sm);
    }
}

/* ==========================================================================
   # SIDEBAR
   ========================================================================== */
.sidebar {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-color);
    color: var(--dark-text);
}

/* ==========================================================================
   # PAGINATION
   ========================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    color: var(--dark-text);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.pagination a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.pagination .current {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: bold;
}

/* ==========================================================================
   # FOOTER
   ========================================================================== */
.footer {
    background-color: #2c3e50;
    color: var(--white);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

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

.footer-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #a8dadc;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* ==========================================================================
   # RESPONSIVE ADJUSTMENTS
   ========================================================================== */
@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

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

    .header-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md) 0;
    }

    .main-nav ul {
        margin-top: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

/* ==========================================================================
   # PRINT STYLES
   ========================================================================== */
@media print {
    .no-print,
    .sidebar,
    .main-nav,
    .footer {
        display: none !important;
    }

    body {
        background: none;
        color: #000;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    a {
        text-decoration: underline;
    }

    .article-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}
            
        
        .section-title {
            font-size: 24px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary-color);
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 100px;
            height: 3px;
            background: var(--primary-color);
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2c6fd1 100%);
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo h1 {
            font-size: 28px;
            font-weight: bold;
            margin-left: 10px;
        }
        
        .logo-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
            font-size: 24px;
            background: rgba(255, 255, 255, 0.2);
        }
        
        .date-display {
            font-size: 16px;
            opacity: 0.9;
        }
        
        .search-box {
            display: flex;
            margin: 10px 0;
            max-width: 600px;
        }
        
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 16px;
        }
        
        .search-box button {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: bold;
        }
        
        nav {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            margin-top: 10px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        nav li {
            flex: 1;
            text-align: center;
        }
        
        nav a {
            display: block;
            padding: 12px 0;
            color: white;
            font-weight: bold;
        }
        
        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        
        /* 焦点新闻轮播 - 优化尺寸控制 */
        .news-carousel {
            min-height: 250px; /* 设置最小高度 */
            max-height: 500px; /* 设置最大高度 */
            background: #ddd;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            margin: 20px 0;
            transition: all var(--transition-normal);
        }
        
        .carousel-item {
            height: 100%;
            display: flex;
            align-items: flex-end;
            padding: 30px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: all var(--transition-slow);
        }
        
        /* 轮播项目悬停效果 */
        .carousel-item:hover {
            background-size: 105%;
        }
        
        .carousel-content {
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 20px;
            border-radius: 8px;
            max-width: 70%;
            backdrop-filter: blur(10px);
            transition: all var(--transition-normal);
        }
        
        /* 轮播内容悬停效果 */
        .carousel-content:hover {
            background: rgba(0, 0, 0, 0.8);
            transform: translateY(-5px);
        }
        
        .carousel-title {
            font-size: 24px;
            margin-bottom: 10px;
        }
        
        .carousel-desc {
            margin-bottom: 15px;
            opacity: 0.9;
        }
        
        /* 文章列表区域 */
        .articles-section {
            margin: 40px 0;
        }
        
        .articles-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }
        
        .main-articles {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        
        .article-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .article-image {
            height: 200px;
            background: #2c6fd1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            background-size: cover;
            background-position: center;
        }
        
        .article-content {
            padding: 20px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: var(--light-text);
            margin-bottom: 10px;
        }
        
        .article-category {
            background: var(--secondary-color);
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 12px;
        }
        
        .article-title {
            font-size: 18px;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .article-excerpt {
            color: var(--light-text);
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        /* 侧边栏文章列表 */
        .sidebar-articles {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }
        
        .sidebar-title {
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
        }
        
        .sidebar-article-list {
            list-style: none;
        }
        
        .sidebar-article-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .sidebar-article-item:last-child {
            border-bottom: none;
        }
        
        .sidebar-article-title {
            font-size: 16px;
            margin-bottom: 5px;
            display: block;
        }
        
        .sidebar-article-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--light-text);
        }
        
        /* 分类文章列表 */
        .category-section {
            margin: 40px 0;
        }
        
        .category-tabs {
            display: flex;
            border-bottom: 2px solid var(--primary-color);
            margin-bottom: 20px;
        }
        
        .tab-item {
            padding: 10px 20px;
            cursor: pointer;
            background: #e9ecef;
            margin-right: 5px;
            border-radius: 4px 4px 0 0;
            font-weight: bold;
        }
        
        .tab-item.active {
            background: var(--primary-color);
            color: white;
        }
        
        .category-articles {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        /* 热点新闻 */
        .hot-news {
            background: white;
            border-radius: 8px;
            padding: 25px;
            margin: 40px 0;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }
        
        .hot-news-list {
            list-style: none;
            counter-reset: hot-news-counter;
        }
        
        .hot-news-item {
            padding: 15px 0 15px 30px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        
        .hot-news-item:last-child {
            border-bottom: none;
        }
        
        .hot-news-item::before {
            counter-increment: hot-news-counter;
            content: counter(hot-news-counter);
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: bold;
        }
        
        .hot-news-item:nth-child(-n+3)::before {
            background: var(--secondary-color);
        }
        
        .hot-news-title {
            font-size: 16px;
            margin-bottom: 5px;
        }
        
        .hot-news-meta {
            display: flex;
            font-size: 12px;
            color: var(--light-text);
        }
        
        /* 页脚 */
        footer {
            background: #1d3557;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-section h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--secondary-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #a8dadc;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: #a8dadc;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .articles-container {
                grid-template-columns: 1fr;
            }
            
            .category-articles {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .date-display {
                margin-top: 10px;
            }
            
            nav ul {
                flex-wrap: wrap;
            }
            
            nav li {
                flex: 0 0 50%;
            }
            
            .main-articles {
                grid-template-columns: 1fr;
            }
            
            .category-articles {
                grid-template-columns: 1fr;
            }
        }
        
        /* 文章列表页专用样式 */
.main-content {
    padding: 20px 0 40px;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 30px;
    margin-top: 20px;
}

.article-list {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.article-list-item {
    display: flex;
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    gap: 20px;
}

.article-list-item:hover {
    background-color: #f9f9f9;
    transform: translateX(5px);
}

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

.article-thumbnail {
    flex: 0 0 280px;
    height: 160px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* 防止内容溢出 */
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
}

.article-meta .category {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.article-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px 0;
    line-height: 1.4;
}

.article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

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

.article-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.read-more {
    display: inline-block;
    color: var(--primary-color);
    font-size: 14px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.read-more:hover {
    text-decoration: underline;
    color: #153a7a;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 8px;
}

.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    background: #f5f7fa;
    color: #333;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.page-item:hover {
    background: #e6f0ff;
    color: var(--primary-color);
}

.page-item.active {
    background: var(--primary-color);
    color: white;
    font-weight: 500;
}

/* 侧边栏样式 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-block {
    background: white;
    border-radius: 8px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    color: #333;
}

.hot-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px dashed #eee;
}

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

.hot-index {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background: #f0f0f0;
    border-radius: 4px;
    margin-right: 12px;
    font-size: 12px;
    font-weight: 600;
    color: #666;
}

/* Hot Articles Styles */
.hot-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0;
}

.hot-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.hot-index {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-weight: bold;
    font-size: 14px;
    color: white;
    background: var(--primary-color);
}

.hot-item:nth-child(1) .hot-index {
    background: #ff4d4f;
}

.hot-item:nth-child(2) .hot-index {
    background: #ffa940;
}

.hot-item:nth-child(3) .hot-index {
    background: #52c41a;
}

.hot-content {
    flex: 1;
}

.hot-content a {
    display: block;
    color: var(--dark-text);
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    transition: color var(--transition-normal);
    margin-bottom: 4px;
}

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

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

.hot-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Hot Comments Styles */
.comment-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px 0;
}

.comment-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.comment-content {
    flex: 1;
}

.comment-content a {
    display: block;
    color: var(--dark-text);
    font-size: 14px;
    line-height: 1.4;
    text-decoration: none;
    transition: color var(--transition-normal);
    margin-bottom: 6px;
}

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

.comment-meta {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--light-text);
    flex-wrap: wrap;
}

.comment-count {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--primary-color);
}

.comment-count::before {
    content: '🔥';
    font-size: 14px;
}

.comment-date {
    color: var(--lighter-text);
    white-space: nowrap;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .comment-item {
        gap: 8px;
    }

    .comment-meta {
        gap: 8px;
    }

    .comment-count {
        gap: 3px;
    }
}

.comment-content {
    flex: 1;
}

.comment-content a {
    display: block;
    color: var(--dark-text);
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    transition: color var(--transition-normal);
    margin-bottom: 8px;
}

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

.comment-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--light-text);
}

.comment-stats {
    display: flex;
    gap: 8px;
    align-items: center;
}

.comment-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.comment-tags {
    display: flex;
    gap: 6px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .comment-item {
        padding: 10px;
        gap: 8px;
    }

    .comment-badge {
        width: 20px;
        height: 20px;
        font-size: 14px;
    }

    .comment-meta {
        gap: 4px;
    }

    .comment-stats {
        gap: 6px;
    }

    .tag {
        padding: 1px 4px;
        font-size: 11px;
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hot-item,
    .comment-item {
        padding: 10px 0;
    }

    .hot-index {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }

    .hot-meta,
    .comment-meta {
        gap: 8px;
    }
}

.comment-item a {
    flex: 1;
    color: var(--dark-text);
    font-size: 14px;
    line-height: 1.5;
    text-decoration: none;
    transition: color var(--transition-normal);
    margin-right: 12px;
}

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

.comment-stats {
    display: flex;
    align-items: center;
    color: var(--light-text);
    font-size: 13px;
}

.comment-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.comment-stats span::before {
    content: attr(data-icon);
    font-size: 14px;
    margin-right: 4px;
}

/* 热门区块样式 */
.hot-articles .hot-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.hot-articles .hot-item:last-child {
    border-bottom: none;
}

.hot-articles .hot-item .hot-index {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-right: 12px;
}

.hot-articles .hot-item .hot-title {
    flex: 1;
    font-size: 14px;
    color: var(--dark-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-articles .hot-item .hot-meta {
    font-size: 12px;
    color: var(--light-text);
}

/* 文章页面样式 */
.article-content-wrapper {
    margin-top: var(--spacing-xl);
}

.article-content {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.article-title {
    font-size: 28px;
    line-height: 1.3;
    color: var(--dark-text);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--light-text);
    font-size: 14px;
    margin-bottom: var(--spacing-xl);
}

.article-category {
    font-weight: 600;
    padding: 2px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.article-date {
    margin-left: auto;
}

.article-body {
    line-height: 1.8;
    color: var(--dark-text);
    font-size: 16px;
    margin-bottom: var(--spacing-xl);
}

/* 文章导航样式 */
.article-navigation {
    display: flex;
    justify-content: space-between;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
}

.article-navigation-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--dark-text);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.article-navigation-item .icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    border-radius: 4px;
    background: var(--light-bg);
    color: var(--dark-text);
    transition: background-color var(--transition-normal);
}

.article-navigation-item:hover .icon {
    background: var(--primary-color);
    color: var(--white);
}

.article-navigation-item .icon-left {
    transform: rotate(0deg);
}

.article-navigation-item .icon-right {
    transform: rotate(0deg);
}

.article-body p {
    margin-bottom: var(--spacing-lg);
}

.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    margin: var(--spacing-xl) 0 var(--spacing-lg);
    color: var(--dark-text);
}

.article-tags {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.tag {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--dark-text);
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-normal);
}

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

.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    background: transparent;
    color: var(--dark-text);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: 14px;
}

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

.share-btn .icon {
    font-size: 16px;
}

/* 相关文章和评论区共用样式 */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.section-header h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
    padding: var(--spacing-md) 0;
    border-bottom: 2px solid var(--primary-color);
}

/* 卡片容器样式 */
.card-container {
    background: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    transition: all var(--transition-normal);
}

/* 相关文章样式 */
.related-articles {
    margin: var(--spacing-xl) 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}

.articles-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.article-item {
    background: var(--light-bg);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

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

.article-content h4 {
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--dark-text);
    margin: 0 0 var(--spacing-sm) 0;
    transition: color var(--transition-normal);
}

.article-content h4:hover {
    color: var(--primary-color);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* 评论区样式 */
.comments-section {
    margin: var(--spacing-xl) 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}

.comment-form {
    margin-bottom: var(--spacing-xl);
}

.comment-form textarea {
    width: 100%;
    min-height: 150px;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    resize: vertical;
    font-family: inherit;
    background: var(--light-bg);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.comments-list {
    margin-top: var(--spacing-xl);
}

.comment-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--light-bg);
    border-radius: var(--border-radius-md);
}

.comment-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 80px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-name {
    font-weight: 500;
    color: var(--dark-text);
    font-size: 0.9rem;
    text-align: center;
}

.comment-content {
    flex: 1;
}

.comment-meta {
    font-size: 0.875rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.comment-content p {
    line-height: 1.6;
    color: var(--dark-text);
    font-size: 1rem;
    margin: 0;
}

/* 图标样式 */
.icon {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

/* 评论区样式 */
.comments-section {
    margin: var(--spacing-xl) 0;
    padding: 0;
    border-top: 1px solid var(--border-color);
}

.comments-section h3 {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    padding: var(--spacing-md) 0;
    border-bottom: 2px solid var(--primary-color);
}

.comment-form {
    margin-bottom: var(--spacing-xl);
    background: var(--light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.comment-form textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    resize: vertical;
    font-family: inherit;
    background: white;
    margin-bottom: var(--spacing-lg);
}

.comment-form .btn-primary {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-lg);
    transition: background-color var(--transition-normal);
    font-size: 1rem;
    font-weight: 500;
}

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

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

.comment-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    transition: transform var(--transition-normal);
}

.comment-item:hover {
    transform: translateY(-2px);
}

.comment-item:last-child {
    margin-bottom: 0;
}

.comment-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.comment-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.comment-author span {
    font-weight: 500;
    color: var(--dark-text);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.comment-info {
    flex: 1;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.comment-date {
    font-size: 0.875rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.comment-date::before {
    content: '•';
    color: var(--primary-color);
}

.comment-content {
    line-height: 1.6;
    color: var(--dark-text);
    font-size: 1rem;
    margin-top: var(--spacing-md);
}

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

.comment-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    background: var(--light-bg);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
}

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

.comment-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.comment-author span {
    font-weight: 500;
    color: var(--dark-text);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.comment-date {
    font-size: 0.875rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-sm);
    margin-left: var(--spacing-sm);
}

.comment-content {
    margin-top: var(--spacing-sm);
    color: var(--dark-text);
    line-height: 1.6;
    font-size: 16px;
}

/* 分类文章样式 */
.category-section {
    margin-top: var(--spacing-lg);
    .comment-item {
        padding: 10px 0;
    }

    .hot-item {
        padding: 10px 0;
    }

    .hot-index {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }
}

/* 面包屑导航 - 更新样式 */
.breadcrumb-wrapper {
    background: white;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 0 0 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
    list-style: none;
    font-size: 14px;
    color: #666;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    padding: 4px 0;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: #fff;
    background-color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: #666;
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 4px;
    color: #ccc;
    font-size: 12px;
    user-select: none;
}

/* 添加小箭头作为分隔符 */
.breadcrumb-separator::before {
    content: "›";
    display: inline-block;
    transform: scale(1.2);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .breadcrumb-wrapper {
        padding: 10px 12px;
        margin-bottom: 15px;
        border-radius: 4px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
    
    .breadcrumb-item a {
        padding: 3px 6px;
    }
    
    .breadcrumb-separator {
        margin: 0 3px;
    }
}

/* 响应式调整 */
@media (max-width: 992px) {
    .article-thumbnail {
        flex: 0 0 200px;
        height: 120px;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        margin-top: 30px;
    }
    
    .article-list-item {
        flex-direction: column;
        padding: 15px;
    }
    
    .article-thumbnail {
        flex: 0 0 auto;
        width: 100%;
        height: 180px;
        margin-bottom: 15px;
    }
    
    .article-title {
        font-size: 16px;
    }
    
    .article-content {
        width: 100%;
        background: white;
        border-radius: 8px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }
        
        .pagination {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            padding: 15px 0;
            color: var(--light-text);
            font-size: 14px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        /* 文章列表 */
        .article-list {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
        }
        
        .article-list-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .article-list-item:last-child {
            border-bottom: none;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: var(--light-text);
            margin-bottom: 10px;
        }
        
        .article-meta .category {
            background: var(--primary-color);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
        }
        
        .article-title {
            font-size: 20px;
            margin: 10px 0;
            line-height: 1.4;
        }
        
        .article-excerpt {
            color: var(--light-text);
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        .read-more {
            display: inline-block;
            color: var(--primary-color);
            font-weight: bold;
            font-size: 14px;
            text-decoration: none;
        }
        
        .read-more:hover {
            text-decoration: underline;
        }
        
        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 30px;
            gap: 5px;
        }
        
        .page-item {
            display: inline-block;
            padding: 8px 15px;
            background: #f5f5f5;
            color: var(--dark-text);
            text-decoration: none;
            border-radius: 4px;
            transition: all 0.3s;
        }
        
        .page-item:hover {
            background: var(--primary-color);
            color: white;
            text-decoration: none;
        }
        
        .page-item.active {
            background: var(--primary-color);
            color: white;
            font-weight: bold;
        }
        
        /* 侧边栏 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .sidebar-block {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }
        
        .sidebar-title {
            font-size: 18px;
            margin: 0 0 15px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
            color: var(--dark-text);
        }
        
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .hot-item {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            align-items: center;
        }
        
        .hot-item:last-child {
            border-bottom: none;
        }
        
        .hot-index {
            width: 24px;
            height: 24px;
            background: #f0f0f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            font-size: 12px;
            font-weight: bold;
            color: var(--light-text);
        }
        
        .hot-item:nth-child(1) .hot-index {
            background: #ff4d4f;
            color: white;
        }
        
        .hot-item:nth-child(2) .hot-index {
            background: #ffa940;
            color: white;
        }
        
        .hot-item:nth-child(3) .hot-index {
            background: #52c41a;
            color: white;
        }
        
        .hot-item a {
            flex: 1;
            color: var(--dark-text);
            text-decoration: none;
            font-size: 14px;
            line-height: 1.5;
            transition: color 0.3s;
        }
        
        .hot-item a:hover {
            color: var(--primary-color);
        }
        
        .view-count {
            font-size: 12px;
            color: var(--light-text);
            margin-left: 10px;
            white-space: nowrap;
        }
        
        /* 热评文章 */
        .comment-item {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
        }
        
        .comment-item:last-child {
            border-bottom: none;
        }
        
        .comment-item a {
            color: var(--dark-text);
            text-decoration: none;
            font-size: 14px;
            line-height: 1.5;
            display: block;
            margin-bottom: 5px;
        }
        
        .comment-item a:hover {
            color: var(--primary-color);
        }
        
        .comment-stats {
            display: flex;
            gap: 15px;
            font-size: 12px;
            color: var(--light-text);
        }
        
        .comment-stats span {
            display: flex;
            align-items: center;
        }
        
        .comment-stats span::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 4px;
            background: var(--light-text);
            border-radius: 50%;
            margin-right: 5px;
        }
        
        .comment-stats span:first-child::before {
            display: none;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            
            .article-title {
                font-size: 18px;
            }
            
            .sidebar {
                margin-top: 30px;
            }
        }
        
        /* 新版布局 */
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 30px;
        }
        
        .sidebar {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
        }
        
        /* 热门区块样式 */
        .hot-articles .hot-item {
            display: flex;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        
        .hot-index {
            width: 24px;
            height: 24px;
            background: var(--primary-color);
            color: white;
            border-radius: 4px;
            text-align: center;
            margin-right: 10px;
        }
        
        .view-count {
            margin-left: auto;
            color: #666;
            font-size: 0.9em;
        }
        
        /* 热评区块样式 */
        .comment-item {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        
        .comment-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 8px;
            color: var(--secondary-color);
            font-size: 0.9em;
        }
        
        /* 交互效果 */
        .hot-item:hover {
            transform: translateX(5px);
            transition: transform 0.2s ease;
        }
        
        .comment-item:hover {
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: box-shadow 0.2s ease;
        }
        
        .sidebar-title {
            position: relative;
            padding-left: 28px;
        }
        
        .sidebar-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            background-size: contain;
        }
        
        .hot-articles .sidebar-title::before {
            background-image: url('data:image/svg+xml;utf8,<svg>...</svg>');
        }
        
        .hot-comments .sidebar-title::before {
            background-image: url('data:image/svg+xml;utf8,<svg>...</svg>');
        }
    }
    
    .sidebar {
        border-radius: 8px;
    }

/* 热门区块样式 */
.hot-articles .hot-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.hot-index {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    text-align: center;
    margin-right: 10px;
}

.view-count {
    margin-left: auto;
    color: #666;
    font-size: 0.9em;
}

/* 热评区块样式 */
.comment-item {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.comment-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    color: var(--secondary-color);
    font-size: 0.9em;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        margin-top: 30px;
    }
}

/* 交互效果 */
.hot-item:hover {
    transform: translateX(5px);
    transition: transform 0.2s ease;
}

.comment-item:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s ease;
}

.sidebar-title {
    position: relative;
    padding-left: 28px;
}

.sidebar-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
}

.hot-articles .sidebar-title::before {
    background-image: url('data:image/svg+xml;utf8,<svg>...</svg>');
}

.hot-comments .sidebar-title::before {
    background-image: url('data:image/svg+xml;utf8,<svg>...</svg>');
}

/* 文章卡片图片 - 优化尺寸控制 */
.article-image {
    height: 180px; /* 降低默认高度 */
    min-height: 120px; /* 设置最小高度 */
    max-height: 300px; /* 设置最大高度 */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-lg);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

/* 文章卡片图片悬停效果 */
.article-image:hover {
    transform: scale(1.02);
}

/* 不同尺寸的图片变体 */
.article-image.image-small {
    height: 120px;
}

.article-image.image-medium {
    height: 180px;
}

.article-image.image-large {
    height: 240px;
}

.article-image.image-hero {
    height: 300px;
}

/* 图片尺寸响应式优化 */
@media (max-width: 1200px) {
    .news-carousel {
        height: 320px;
        min-height: 250px;
    }
    
    .article-image {
        height: 160px;
        min-height: 120px;
    }
    
    .article-image.image-hero {
        height: 200px;
    }
}

@media (max-width: 992px) {
    .news-carousel {
        height: 280px;
        min-height: 220px;
    }
    
    .article-image {
        height: 140px;
        min-height: 100px;
    }
    
    .article-image.image-large {
        height: 180px;
    }
    
    .article-image.image-hero {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .news-carousel {
        height: 250px;
        min-height: 200px;
        margin: 15px 0;
    }
    
    .carousel-item {
        padding: 20px;
    }
    
    .carousel-content {
        max-width: 90%;
        padding: 15px;
    }
    
    .article-image {
        height: 120px;
        min-height: 80px;
        max-height: 150px;
    }
    
    .article-image.image-small {
        height: 100px;
    }
    
    .article-image.image-medium {
        height: 120px;
    }
    
    .article-image.image-large {
        height: 140px;
    }
    
    .article-image.image-hero {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .news-carousel {
        height: 220px;
        min-height: 180px;
    }
    
    .carousel-item {
        padding: 15px;
    }
    
    .carousel-content {
        max-width: 95%;
        padding: 12px;
    }
    
    .article-image {
        height: 100px;
        min-height: 80px;
        max-height: 120px;
    }
    
    .article-image.image-small {
        height: 80px;
    }
    
    .article-image.image-medium {
        height: 100px;
    }
    
    .article-image.image-large {
        height: 120px;
    }
    
    .article-image.image-hero {
        height: 140px;
    }
}

/* 图片加载动画 */
.article-image,
.carousel-item {
    background-color: #f0f0f0;
    position: relative;
}

.article-image:before,
.carousel-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: translateX(-100%);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 图片纵横比控制 */
.article-image.ratio-16-9 {
    aspect-ratio: 16/9;
    height: auto;
}

.article-image.ratio-4-3 {
    aspect-ratio: 4/3;
    height: auto;
}

.article-image.ratio-1-1 {
    aspect-ratio: 1/1;
    height: auto;
}