*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {

    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #c53030;
    --accent-hover: #9b2c2c;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-lighter: #edf2f7;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-nav: 0 4px 12px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;


    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
    --font-serif: Georgia, 'Times New Roman', Times, serif;
    --font-mono: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;


    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.line-clamp-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.line-clamp-4 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}


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


h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-sm);
}

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

a:hover {
    color: var(--accent-color);
}

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

ul {
    list-style: none;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }

    100% {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.announcement-bar {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 0;
    font-size: 0.875rem;
    position: relative;
    z-index: 1001;
    animation: slideDown 0.3s ease;
}

.announcement-bar .container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.live-badge {
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse 2s infinite;
}

.announcement-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-nav);
    padding: 0.5rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo {
    font-weight: bold;
    font-size: 1.8rem;
    width: auto;
    transition: transform var(--transition-normal);
}

.main-header.scrolled .logo img {
    height: 35px;
}

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

.main-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.search-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-toggle:hover {
    background-color: var(--bg-lighter);
    color: var(--primary-color);
}

.search-toggle svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-subscribe {
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-subscribe:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}


.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 1002;
}

.hamburger-menu span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-normal);
    transform-origin: left center;
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(1px, -1px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(1px, 1px);
}

.search-container {
    margin-top: var(--space-sm);
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-normal);
}

.search-container.active {
    max-height: 100px;
    opacity: 1;
}

.search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease;
}

.search-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.search-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.search-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    cursor: pointer;
    font-weight: 600;
    transition: background-color var(--transition-fast);
}

.search-form button:hover {
    background-color: var(--secondary-color);
}


.main-content {
    padding: var(--space-xl) 0;
    margin-top: 50px;
    animation: fadeIn 0.5s ease;
}

.content-grid {
    display: grid;
    grid-template-columns: 70% 30%;
    gap: var(--space-xl);
}

.primary-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}


.featured-section {
    animation: fadeIn 0.6s ease;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.view-all {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-color);
    transition: all var(--transition-fast);
}

.view-all:hover {
    text-decoration: underline;
    transform: translateX(3px);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.featured-main {
    grid-column: 1 / -1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.featured-main:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 15px 30px rgba(0, 0, 0, 0.15);
}

.featured-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-main:hover .featured-image img {
    transform: scale(1.05);
}

.category-tag {
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

.featured-content {
    padding: var(--space-lg);
}

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

.featured-content h3 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.featured-content h3 a {
    color: var(--text-primary);
}

.featured-content h3 a:hover {
    color: var(--accent-color);
}

.excerpt {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.article-footer {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-light);
}

.featured-secondary {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.featured-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.featured-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.featured-card .card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    position: relative;
}

.featured-card .category-tag {
    position: absolute;
    left: 10px;
    top: 10px;
}

.featured-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.featured-card .card-content {
    padding: var(--space-md);
    position: relative;
}

.featured-card h4 {
    margin: var(--space-sm) 0;
}

.featured-card h4 a {
    color: var(--text-primary);
}

.featured-card h4 a:hover {
    color: var(--accent-color);
}

.category-filter {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-select {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-white);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px;
    transition: all var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.news-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
}

.card-style-1 {
    border-top: 3px solid var(--accent-color);
}

.card-style-1:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-style-2 {
    background-color: var(--bg-lighter);
    border: 1px solid var(--border-color);
}

.card-style-2:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-lg);
}

.card-style-3 {
    position: relative;
}

.card-style-3:hover .card-image img {
    transform: scale(1.05);
}

.video-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background-color: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

.card-style-4 {
    border-left: 4px solid var(--primary-color);
}

.priority-indicator {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.card-style-5 {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-md);
}

.card-style-5 .card-image {
    aspect-ratio: 4/3;
}

.card-style-5 .card-content {
    padding: 0;
}

.card-style-6 {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 1px solid var(--border-color);
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.analysis-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
}


.news-card .card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.news-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.news-card .card-content {
    padding: var(--space-md);
}

.news-card h3 {
    font-size: 1.25rem;
    line-height: 1.4;
    margin: var(--space-sm) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-duration {
    font-size: 0.875rem;
    color: var(--text-light);
}

.pagination ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.pagination a {
    color: var(--text-primary);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background-color: var(--bg-lighter);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .dots {
    color: var(--text-light);
    pointer-events: none;
}

.pagination .next {
    padding: 0 var(--space-lg);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--border-color);
}

.trending-list {
    list-style: none;
    counter-reset: trending-counter;
}

.trending-list li {
    counter-increment: trending-counter;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
}

.trending-list li:hover {
    background-color: var(--bg-lighter);
}

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

.trending-list article {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.trending-rank {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background-color: var(--bg-lighter);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.trending-list li:first-child .trending-rank {
    background-color: var(--accent-color);
    color: white;
}

.trending-list h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

.trending-list h4 a {
    color: var(--text-primary);
}

.trending-list h4 a:hover {
    color: var(--accent-color);
}

.trending-meta {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-light);
}

.trending-meta .category {
    font-weight: 600;
    color: var(--accent-color);
}

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

.categories-list li {
    margin-bottom: var(--space-xs);
}

.categories-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.categories-list a:hover {
    background-color: var(--bg-lighter);
    color: var(--primary-color);
    transform: translateX(4px);
}

.category-name {
    font-weight: 600;
}

.category-count {
    font-size: 0.875rem;
    color: var(--text-light);
    background-color: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.newsletter-form input {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

.form-note {
    font-size: 0.75rem;
    color: var(--text-light);
    text-align: center;
}

.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0 0 var(--space-md);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--space-xs);
    font-size: 0.9rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-lighter);
}

.breadcrumb-item.active .breadcrumb-link {
    color: var(--text-primary);
    font-weight: 600;
    pointer-events: none;
}

.breadcrumb-separator {
    color: var(--text-light);
    padding: 0 0.25rem;
}

.breadcrumb-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.sort-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.category-header {
    padding: 20px 0;
}

.category-title {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 0;
}

.category-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: var(--space-lg);
}

.category-stats {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.95rem;
    color: var(--text-light);
}

.stat-item strong {
    color: var(--text-primary);
    font-weight: 700;
}

.category-filters {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--bg-lighter);
    border-radius: var(--radius-md);
}

.filters-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.filter-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.article-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: 0;
}

.list-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.list-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-style-a {
    display: grid;
    grid-template-columns: 1fr 2fr;
}

.card-style-a .card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.card-style-a .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-style-a:hover .card-image img {
    transform: scale(1.05);
}

.card-style-a .card-content {
    padding: var(--space-md);
}

.card-style-b {
    padding: var(--space-md);
    border-left: 4px solid var(--accent-color);
}

.card-style-b .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.featured-badge {
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-style-c {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-md);
    border-top: 3px solid #4299e1;
}

.card-style-c .card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.card-style-c .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-style-c:hover .card-image img {
    transform: scale(1.05);
}

.card-style-c .card-content {
    padding: var(--space-md) var(--space-md) var(--space-md) 0;
}

.card-style-d {
    padding: var(--space-md);
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 1px solid var(--border-color);
}

.card-style-d .analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.card-style-e {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--space-md);
    border: 1px solid var(--border-color);
}

.card-style-e .card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.card-style-e .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-style-e:hover .card-image img {
    transform: scale(1.05);
}

.card-style-e .card-content {
    padding: var(--space-md) var(--space-md) var(--space-md) 0;
}

.card-style-f {
    padding: var(--space-md);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.card-style-f::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 40px 40px 0;
    border-color: transparent var(--primary-color) transparent transparent;
}

.list-card .category-tag {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.list-card h3 {
    font-size: 1.25rem;
    line-height: 1.4;
    margin: var(--space-sm) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-card h3 a {
    color: var(--text-primary);
}

.list-card h3 a:hover {
    color: var(--accent-color);
}

.list-card .excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pagination-main {

    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.pagination-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    margin-bottom: var(--space-md);
}

.pagination-item {
    display: flex;
    align-items: center;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background-color: var(--bg-lighter);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-link.current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination-link.prev,
.pagination-link.next {
    padding: 0 var(--space-lg);
}

.pagination-dots {
    color: var(--text-light);
    padding: 0 var(--space-sm);
    pointer-events: none;
}

.pagination-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-light);
}

.category-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.recommended-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.recommended-item {
    display: flex;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.recommended-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.recommended-image {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.recommended-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.recommended-item:hover .recommended-image img {
    transform: scale(1.05);
}

.recommended-content {
    flex: 1;
}

.recommended-content h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
}

.recommended-content h4 a {
    color: var(--text-primary);
}

.recommended-content h4 a:hover {
    color: var(--accent-color);
}

.recommended-meta {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-light);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag-item {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-lighter);
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

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

.subcategories-list li {
    margin-bottom: var(--space-xs);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
}

.subcategories-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.subcategories-list a {
    display: block;
    padding: 0.5rem;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.subcategories-list a:hover {
    background-color: var(--bg-lighter);
    color: var(--primary-color);
    padding-left: var(--space-md);
}

.authors-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.author-item {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.author-item:hover {
    background-color: var(--bg-lighter);
}

.author-item img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.75rem;
    color: var(--text-light);
    margin: 0;
}

.article-header {
    margin-top: 20px;
}

.article-title {
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--primary-color);
}

.article-subtitle {
    font-size: 1.5rem;
    line-height: 1.4;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-weight: 400;
}

.article-meta-extended {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
}

.author-info-extended {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details h4 {
    margin-bottom: 0.25rem;
    font-size: 1.125rem;
}

.author-details p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.article-stats {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-light);
}

.article-hero-image {
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.article-hero-image figcaption {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-light);
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.article-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body img {
    margin: 0 auto;
}

.article-inline-image {
    margin: var(--space-xl) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.article-inline-image figcaption {
    padding: var(--space-sm);
    background-color: var(--bg-light);
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
}

.article-tags {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
}

.tags-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.article-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: var(--space-xl) 0;
}

.share-label {
    font-weight: 600;
    color: var(--text-primary);
}

.share-buttons {
    display: flex;
    gap: var(--space-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-lighter);
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.share-btn.twitter:hover {
    background-color: #1DA1F2;
    color: white;
}

.share-btn.facebook:hover {
    background-color: #4267B2;
    color: white;
}

.share-btn.linkedin:hover {
    background-color: #0077B5;
    color: white;
}

.share-btn.email:hover {
    background-color: var(--accent-color);
    color: white;
}

.article-comments {
    margin: var(--space-xl) 0;
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.comments-title {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.comment-form {
    background-color: var(--bg-light);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.comment-form h4 {
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-comment {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.submit-comment:hover {
    background-color: var(--accent-hover);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.comment {
    padding: var(--space-lg);
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--border-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.comment:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-color);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.comment-author img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.comment-time {
    font-size: 0.875rem;
    color: var(--text-light);
}

.comment-content {
    line-height: 1.6;
    color: var(--text-secondary);
}

.related-articles {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 2px solid var(--border-color);
}

.related-title {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.related-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-card .card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.related-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.related-card .card-content {
    padding: var(--space-md);
}

.related-card h4 {
    font-size: 1.125rem;
    line-height: 1.4;
    margin: var(--space-sm) 0;
}

.related-card h4 a {
    color: var(--text-primary);
}

.related-card h4 a:hover {
    color: var(--accent-color);
}

.related-meta {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-light);
}

.author-profile {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.author-profile img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-profile .author-details h4 {
    margin-bottom: 0.25rem;
}

.author-profile .author-title {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.author-profile .author-bio {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}

.author-link {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--accent-color);
    font-weight: 600;
}

.author-link:hover {
    text-decoration: underline;
}

.author-stats {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    padding: var(--space-md);
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
}

.author-stats .stat {
    text-align: center;
}

.author-stats .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.author-stats .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.main-footer {
    background-color: var(--primary-color);
    color: white;
    margin-top: var(--space-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-logo img {
    height: 35px;
    width: auto;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-title {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-contact {
    font-style: normal;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

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

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0;
}

.footer-bottom p a {
    color: var(--bg-white);
}

.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr 300px;
        gap: var(--space-lg);
    }

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

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

    .category-layout {
        grid-template-columns: 1fr;
    }

    .category-sidebar {
        margin-top: var(--space-xl);
        padding-top: var(--space-xl);
        border-top: 2px solid var(--border-color);
    }

    .card-style-a,
    .card-style-c {
        grid-template-columns: 250px 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .main-header {
        position: absolute;
        padding: 10px 0;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    .main-content {
        padding: var(--space-lg) 0;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .category-filter {
        width: 100%;
    }

    .filter-select {
        width: 100%;
    }

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

    .card-style-5 {
        grid-template-columns: 1fr;
    }

    .card-style-5 .card-image {
        aspect-ratio: 16/9;
    }

    .header-content {
        position: relative;
    }

    .hamburger-menu {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--bg-white);
        padding: 80px var(--space-md) var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transform: translateX(-100%);
        transition: all var(--transition-normal);
        z-index: 1001;
        overflow-y: auto;
    }

    .main-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.125rem;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .breadcrumb-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
        padding-bottom: 0;
    }

    .breadcrumb-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .category-title {
        font-size: 1.4rem;
    }

    .category-description {
        font-size: 1rem;
    }

    .category-stats {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .filter-tags {
        gap: var(--space-xs);
    }

    .filter-tag {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }

    .card-style-a,
    .card-style-c,
    .card-style-e {
        grid-template-columns: 1fr;
    }

    .card-style-a .card-content,
    .card-style-c .card-content,
    .card-style-e .card-content {
        padding: var(--space-md);
    }

    .card-style-a .card-image,
    .card-style-c .card-image {
        aspect-ratio: 16/9;
    }

    .pagination-list {
        flex-wrap: wrap;
    }

    .pagination-info {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: center;
    }

    .primary-content {
        display: grid;
        grid-template-columns: 100%;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .article-subtitle {
        font-size: 1.25rem;
    }

    .article-meta-extended {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .article-stats {
        width: 100%;
        justify-content: space-between;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .back-to-top {
        bottom: var(--space-sm);
        right: var(--space-sm);
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .announcement-bar {
        font-size: 0.75rem;
    }

    .live-badge {
        font-size: 0.625rem;
        padding: 0.125rem 0.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .featured-content h3 {
        font-size: 1.5rem;
    }

    .btn-subscribe {
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
    }

    .sort-options {
        width: 100%;
        justify-content: space-between;
    }

    .sort-select {
        flex: 1;
        max-width: 200px;
    }

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

    .recommended-image {
        width: 100%;
        height: 150px;
    }

    .author-item {
        flex-direction: column;
        text-align: center;
    }

    .author-info h4,
    .author-info p {
        text-align: center;
    }

    .author-profile {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .author-profile .author-details {
        text-align: center;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #2d3748;
        --secondary-color: #4a5568;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-light: #a0aec0;
        --bg-white: #1a202c;
        --bg-light: #2d3748;
        --bg-lighter: #4a5568;
        --border-color: #4a5568;
    }

    .announcement-bar {
        background-color: #2d3748;
    }

    .main-header {
        background-color: var(--bg-white);
    }

    .main-header.scrolled {
        background-color: rgba(26, 32, 44, 0.95);
    }

    .card-style-2,
    .card-style-6 {
        background-color: var(--bg-light);
    }

    .news-card {
        background-color: var(--bg-light);
    }

    .category-count {
        background-color: var(--bg-lighter);
    }

    .article-tags {
        background-color: var(--bg-lighter);
    }

    .comment-form {
        background-color: var(--bg-lighter);
    }

    .comment {
        background-color: var(--bg-light);
    }
}