:root {
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #475569;
    --accent: #0f3b5e;
    --accent-light: #1e4a6f;
    --border: #e2e8f0;
    --shadow-sm: 0 4px 6px -2px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 20px 25px -8px rgba(0, 0, 0, 0.1);
    --radius: 16px;
    --radius-sm: 12px;
}

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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.5;
    font-size: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}


.site-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(4px);
    transition: background 0.2s, box-shadow 0.2s;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-dark);
}

.logo span {
    color: var(--accent);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-list a {
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: 0.2s;
}

.nav-list a:hover,
.nav-list a.active {
    border-bottom-color: var(--accent);
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    padding: 4px;
}

.hamburger span {
    height: 2px;
    width: 100%;
    background: var(--text-dark);
    border-radius: 2px;
    transition: 0.2s;
}


.announcement-bar {
    background: #f1f5f9;
    padding: 12px 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
}

.announcement-bar a {
    color: var(--accent);
    font-weight: 500;
}

.announcement-bar a:hover {
    text-decoration: underline;
}


.section {
    padding: 48px 0;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    position: relative;
}

.view-all {
    color: var(--accent);
    font-weight: 500;
    border-bottom: 1px solid transparent;
}

.view-all:hover {
    border-bottom-color: var(--accent);
}


.card-grid {
    display: grid;
    gap: 28px;
}

.card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
    border: 1px solid var(--border);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

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

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.card:hover .card-img img {
    transform: scale(1.03);
}

.card-content {
    padding: 20px;
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.card-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-excerpt {
    color: var(--text-muted);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    font-size: 0.85rem;
    color: #64748b;
    display: flex;
    gap: 12px;
}


.card-horizontal {
    display: flex;
    gap: 16px;
}

.card-horizontal .card-img {
    width: 40%;
    aspect-ratio: 4/3;
}

.card-horizontal .card-content {
    width: 60%;
    padding: 16px;
}

@media (max-width: 640px) {

    .card-grid--2,
    .card-grid--3 {
        grid-template-columns: 1fr;
    }

    .card-horizontal {
        flex-direction: column;
    }

    .card-horizontal .card-img,
    .card-horizontal .card-content {
        width: 100%;
    }
}


.feature-grid {
    margin-top: 20px;
}

.feature-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-img {
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

.feature-content {
    padding: 32px;
}

.feature-label {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.feature-content h3 {
    font-size: 2rem;
    font-weight: 600;
    margin: 12px 0 16px;
    line-height: 1.2;
}

.feature-excerpt {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

@media (max-width: 800px) {
    .feature-card {
        grid-template-columns: 1fr;
    }
}


.filter-dropdown-wrapper {
    margin-bottom: 32px;
}

.dropdown-css {
    position: relative;
    display: inline-block;
}

.dropdown-trigger {
    background: white;
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 40px;
    font-weight: 500;
    cursor: default;
    min-width: 180px;
    text-align: left;
}

.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    width: 100%;
    box-shadow: var(--shadow-sm);
    display: none;
    z-index: 10;
}

.dropdown-css:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 10px 16px;
    transition: 0.1s;
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
}


.topic-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.topic-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 8px 20px;
    font-weight: 500;
    transition: 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.topic-card:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.topic-count {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 2px 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.topic-card:hover .topic-count {
    background: white;
    color: var(--accent);
}


.site-footer {
    background: #0b1a2a;
    color: #cbd5e1;
    margin-top: 60px;
    border-top: 1px solid #1e2f40;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 48px 0;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.footer-logo span {
    color: #6b9bc0;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-weight: 500;
}

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

.footer-col a {
    color: #cbd5e1;
    transition: 0.1s;
}

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

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-bottom p {
    text-align: center;
    margin: 0;
}

.footer-bottom a {
    color: #cbd5e1;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

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


.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--accent);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    display: none;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    z-index: 90;
}

.back-to-top:hover {
    background: var(--accent-light);
}


.breadcrumb-nav {
    background: var(--bg-light);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin: 0 10px;
    color: #cbd5e1;
}

.breadcrumb-list a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb-list a:hover {
    text-decoration: underline;
}

.breadcrumb-list [aria-current="page"] {
    font-weight: 500;
    color: var(--text-dark);
}


.two-col-layout {
    display: grid;
    grid-template-columns: 70% 28%;
    gap: 40px;
    margin-top: 40px;
    align-items: start;
}

.main-content {
    min-width: 0;
}

.category-headline {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.category-description {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 1.1rem;
}


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

.stacked-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 8px 0;
}

.list-card-horizontal {
    display: flex;
    gap: 20px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.list-card-horizontal .list-card-img {
    width: 30%;
    aspect-ratio: 4/3;
    flex-shrink: 0;
}

.list-card-horizontal .list-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.list-card-horizontal .list-card-content {
    width: 70%;
    padding: 20px 20px 20px 0;
}

.list-card-horizontal h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 600px) {
    .list-card-horizontal {
        flex-direction: column;
    }

    .list-card-horizontal .list-card-img {
        width: 100%;
    }

    .list-card-horizontal .list-card-content {
        width: 100%;
        padding: 16px;
    }
}

.list-card-stacked {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.list-card-stacked .list-card-img {
    aspect-ratio: 4/3;
}

.list-card-stacked .list-card-content {
    padding: 16px;
}

.list-card-stacked h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.list-excerpt {
    color: var(--text-muted);
    margin: 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-meta {
    font-size: 0.85rem;
    color: #64748b;
}


.sidebar {
    width: 100%;
}

.sidebar-widget {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
}

.author-card {
    text-align: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.author-name {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.author-bio {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.author-link {
    color: var(--accent);
    font-weight: 500;
    display: inline-block;
}

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

.related-list {
    list-style: none;
    padding: 0;
}

.related-list li {
    margin-bottom: 16px;
}

.related-list a {
    display: flex;
    gap: 12px;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: 0.1s;
}

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

.related-list img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.related-text {
    flex: 1;
}

.related-title {
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    line-height: 1.4;
}

.related-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.latest-list {
    list-style: none;
    padding: 0;
}

.latest-list li {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}

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

.latest-list a {
    color: var(--text-dark);
    font-weight: 500;
    transition: 0.1s;
}

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

.latest-list span {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: 12px;
}

.category-list {
    list-style: none;
    padding: 0;
}

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

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    transition: 0.1s;
}

.category-list a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.cat-count {
    background: var(--bg-light);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}


.pagination {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-link {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: white;
    color: var(--text-dark);
    transition: 0.1s;
    font-weight: 500;
}

.page-link:hover:not(.active):not(.disabled) {
    background: var(--bg-light);
    border-color: var(--accent);
}

.page-link.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
    background: #f1f5f9;
}


.full-article {
    background: white;
}

.article-header {
    margin-bottom: 24px;
}

.article-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 16px 0;
}

@media (max-width: 600px) {
    .article-header h1 {
        font-size: 1.4rem;
    }
}

.article-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.article-meta-details {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 16px 0 24px;
}

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

.author-mini {
    display: flex;
    align-items: center;
    gap: 8px;
}

.author-mini img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.article-feature-img {
    margin: 32px 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.article-feature-img figcaption {
    text-align: center;
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 8px;
}

.article-body {
    font-size: 0.985rem;
    letter-spacing: 0.2px;
    color: #171717;
    line-height: 1.7;
}

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

.article-body p {
    margin-bottom: 1.8em;
}

.article-body h2 {
    font-size: 1.8rem;
    margin: 2em 0 1em;
    font-weight: 600;
}

.article-body h3 {
    font-size: 1.4rem;
    margin: 1.5em 0 0.8em;
    font-weight: 600;
}

.article-categories {
    margin: 24px 0 8px;
}

.category-badge {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 4px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-right: 8px;
}

.author-bio-card {
    display: flex;
    gap: 24px;
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 24px;
    margin: 40px 0;
    border: 1px solid var(--border);
}

.author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-bio-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.author-bio-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.author-bio-content .author-social a {
    color: var(--accent);
    margin-right: 16px;
    font-weight: 500;
}

.share-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 32px 0;
}

.share-label {
    font-weight: 600;
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.share-btn {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 8px 20px;
    font-weight: 500;
    cursor: default;
    transition: 0.1s;
    cursor: pointer;
}

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

.comments-section {
    margin: 48px 0;
}

.comment-list {
    margin: 24px 0;
}

.comment {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

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

.comment-body {
    background: var(--bg-light);
    padding: 16px;
    border-radius: var(--radius-sm);
    flex: 1;
}

.comment-author {
    font-weight: 600;
    margin-right: 12px;
}

.comment-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.comment-text {
    margin-top: 8px;
}

.comment-form textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    margin: 16px 0;
}

.comment-submit {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 40px;
    font-weight: 500;
    cursor: default;
}

.related-articles {
    margin-top: 48px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.related-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: 0.2s;
}

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

.related-card img {
    aspect-ratio: 4/3;
    width: 100%;
    object-fit: cover;
}

.related-card-content {
    padding: 16px;
}

.related-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card .related-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}


.author-profile {
    max-width: 900px;
    margin: 0 auto 60px;
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.author-header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 30px;
}

.author-avatar-large {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 4px solid white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.author-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.author-role {
    font-size: 1.2rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 20px;
}

.author-short-bio {
    max-width: 600px;
    margin: 0 auto 20px;
    color: var(--text-muted);
}

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

.author-social-links a {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 8px 24px;
    font-weight: 500;
    color: var(--text-dark);
    transition: 0.1s;
}

.author-social-links a:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.author-bio-full {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #171717;
    letter-spacing: 0.2px;
}

.author-bio-full p {
    margin-bottom: 1.5em;
}

.author-bio-full h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
    display: inline-block;
}

.author-articles {
    margin-top: 60px;
}

.author-articles h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
    display: inline-block;
}

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

.article-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.article-card img {
    aspect-ratio: 4/3;
    width: 100%;
    object-fit: cover;
}

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

.article-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card .article-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.article-card .excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (max-width: 800px) {
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .author-profile {
        padding: 24px;
    }
}

@media (max-width: 500px) {
    .article-grid {
        grid-template-columns: 1fr;
    }

    .author-header h1 {
        font-size: 2rem;
    }

    .author-avatar-large {
        width: 120px;
        height: 120px;
    }
}


@media (max-width: 900px) {
    .two-col-layout {
        grid-template-columns: 100%;
        gap: 32px;
    }

    .sidebar {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .pagination {
        gap: 26px;
    }

    .article-meta-details {
        gap: 0.5rem;
        font-size: 0.75rem;
    }

    .related-grid {
        grid-template-columns: 100%;
    }

    .site-header {
        position: relative;
    }

    .header-container {
        height: 54px;
    }

    .nav-list {
        position: fixed;
        top: 54px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--border);
        transform: translateY(-150%);
        opacity: 0;
        transition: 0.3s;
        pointer-events: none;
        padding: 1.5rem;
        box-shadow: var(--shadow-sm);
    }

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

    .nav-list a {
        display: block;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border);
    }

    .main-nav.active .nav-list {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger {
        display: flex;
    }
}

@media (max-width: 600px) {
    .stacked-row {
        grid-template-columns: 1fr;
    }

    .category-headline {
        font-size: 2rem;
    }

    .breadcrumb-list {
        font-size: 0.8rem;
    }
}