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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #ffffff;
    color: #1e293b;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

ul,
li {
    list-style: none;
}

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

a {
    text-decoration: none;
    transition: color 0.2s;
}

.top-notice {
    background: #f1f5f9;
    padding: 10px 0;
    text-align: center;
    font-size: 0.95rem;
    border-bottom: 1px solid #e2e8f0;
}

.top-notice a {
    color: #2563eb;
    font-weight: 500;
    text-decoration: none;
}

.top-notice a:hover {
    text-decoration: underline;
}

.site-header {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 50;
    transition: background 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    border-bottom-color: rgba(226, 232, 240, 0.5);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: #0f172a;
}

.logo span {
    color: #2563eb;
}

.main-nav .nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    color: #334155;
    font-weight: 500;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #1e293b;
    line-height: 1;
}

.section {
    padding: 48px 0;
}

.bg-light {
    background: #f8fafc;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 32px;
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.section-title .sub {
    font-size: 1rem;
    font-weight: 400;
    color: #64748b;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card-grid--A .post-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.25s ease, box-shadow 0.3s ease;
    border: 1px solid #eef2f6;
}

.card-grid--A .post-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

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

.post-card:hover .card-img img {
    scale: 1.05;
}

.card-tag {
    display: inline-block;
    margin: 16px 16px 0 16px;
    background: #e6f0ff;
    color: #1e4daa;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

.card-title {
    font-size: 1.25rem;
    margin: 8px 16px 0 16px;
    line-height: 1.4;
    font-weight: 600;
}

.card-title a {
    color: #0f172a;
    text-decoration: none;
    background: linear-gradient(to right, #2563eb, #2563eb) no-repeat left bottom;
    background-size: 0% 2px;
    transition: background-size 0.2s;
}

.card-title a:hover {
    background-size: 100% 2px;
}

.card-excerpt {
    margin: 8px 16px 0 16px;
    color: #475569;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    margin: 16px 16px 20px 16px;
    font-size: 0.85rem;
    color: #64748b;
    border-top: 1px dashed #e2e8f0;
    padding-top: 12px;
}

.card-grid--B {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post-card-horizontal {
    display: flex;
    gap: 20px;
    background: #fff;
    border-radius: 20px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    transition: box-shadow 0.2s, background 0.2s;
    border: 1px solid #f1f5f9;
}

.post-card-horizontal:hover {
    background: #fafdff;
    box-shadow: 0 12px 20px -10px rgba(0, 0, 0, 0.05);
}

.card-img-horizontal {
    flex: 0 0 150px;
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    overflow: hidden;
}

.card-img-horizontal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: scale 0.3s;
}

.post-card-horizontal:hover .card-img-horizontal img {
    scale: 1.04;
}

.card-content {
    flex: 1;
}

.card-content .card-tag {
    margin: 0 0 8px 0;
    display: inline-block;
}

.card-content .card-title {
    margin: 0 0 8px 0;
    font-size: 1.2rem;
}

.card-content .card-excerpt {
    margin: 0 0 12px 0;
    -webkit-line-clamp: 2;
}

.card-content .card-meta {
    margin: 0;
    border: none;
    padding: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #e9eef3;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: scale(1.01);
    box-shadow: 0 25px 30px -12px rgba(37, 99, 235, 0.15);
}

.feature-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

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

.feature-content {
    padding: 24px;
}

.feature-label {
    background: #2563eb;
    color: white;
    padding: 4px 12px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 12px;
}

.feature-content h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-content h3 a {
    color: #0f172a;
    text-decoration: none;
}

.feature-content p {
    color: #334155;
    margin-bottom: 16px;
}

.topics-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.topic-item {
    background: #ffffff;
    border: 1px solid #d1d9e6;
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1e293b;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.topic-item:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.breadcrumb {
    margin: 24px 0 16px;
    background: #f8fafc;
    padding: 14px 24px;
    border-radius: 50px;
    border: 1px solid #e9eef3;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.95rem;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    color: #475569;
}

.breadcrumb li:not(:last-child)::after {
    content: "›";
    margin: 0 10px;
    color: #94a3b8;
    font-size: 1.2rem;
    line-height: 1;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #1e4daa;
    text-decoration: underline;
}

.breadcrumb li[aria-current="page"] {
    font-weight: 600;
    color: #0f172a;
}

.category-layout {
    display: grid;
    grid-template-columns: 70% 28%;
    gap: 2%;
    margin: 30px 0 50px;
}

.sidebar-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 28px 22px;
    margin-bottom: 30px;
    border: 1px solid #edf2f7;
    box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.02);
}

.sidebar-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eef2f6;
}

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

.author-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 8px 16px -8px rgba(0, 0, 0, 0.2);
    margin-bottom: 16px;
}

.author-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.author-bio {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.post-list li {
    margin-bottom: 18px;
    border-bottom: 1px dashed #e2e8f0;
    padding-bottom: 14px;
}

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

.post-list a {
    font-weight: 600;
    color: #0f172a;
    text-decoration: none;
    line-height: 1.4;
    display: block;
    margin-bottom: 6px;
    transition: color 0.2s;
}

.post-list a:hover {
    color: #2563eb;
}

.post-list .meta {
    font-size: 0.8rem;
    color: #64748b;
}

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

.category-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.category-list a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
}

.category-list a:hover {
    color: #2563eb;
}

.category-list .count {
    background: #eef2f6;
    color: #334155;
    padding: 2px 12px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pagination {
    margin: 50px 0 20px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 12px;
    border: 1px solid #e2e8f0;
    border-radius: 40px;
    background: white;
    color: #1e293b;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.page-item.active {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.page-item:hover:not(.active) {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.page-item.next,
.page-item.prev {
    padding: 0 18px;
}

.article-detail {
    background: #fff;
    border-radius: 32px;
    padding: 40px;
    box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.04);
    border: 1px solid #edf2f7;
}

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

.article-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: #0f172a;
    margin-bottom: 16px;
}

.article-subhead {
    font-size: 1.3rem;
    color: #475569;
    font-weight: 400;
    margin-bottom: 20px;
    border-left: 4px solid #2563eb;
    padding-left: 20px;
}

.article-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.author-mini {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.author-mini .name {
    font-weight: 600;
    color: #0f172a;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #64748b;
    font-size: 0.95rem;
}

.article-category-tag {
    background: #e6f0ff;
    color: #1e4daa;
    padding: 6px 16px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.85rem;
}

.featured-image {
    margin: 32px 0;
    border-radius: 24px;
    overflow: hidden;
}

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

.featured-image figcaption {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
}

.article-body {
    font-size: 0.985rem;
    letter-spacing: 0.2px;
    color: #171717;
    line-height: 1.75;
}

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

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

.article-body h2 {
    font-size: 1.8rem;
    margin: 2.2rem 0 1rem;
    font-weight: 600;
}

.article-body ul,
.article-body ol {
    margin-bottom: 1.8em;
    padding-left: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5em;
}

.author-bio-card {
    display: flex;
    gap: 24px;
    background: #f8fafc;
    border-radius: 28px;
    padding: 30px;
    margin: 40px 0 32px;
    border: 1px solid #e9eef3;
}

.author-bio-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

.author-bio-card h4 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.author-bio-card .bio {
    color: #334155;
}

.share-section {
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.share-label {
    font-weight: 600;
    color: #1e293b;
}

.share-btn {
    background: none;
    border: 1px solid #cbd5e1;
    padding: 8px 20px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.2s;
    color: #1e293b;
}

.share-btn:hover {
    background: #f1f5f9;
}

.comments-section {
    margin-top: 40px;
}

.comments-section h3 {
    font-size: 1.6rem;
    margin-bottom: 25px;
}

.comment {
    display: flex;
    gap: 18px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #edf2f7;
}

.comment-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    margin-right: 12px;
    color: #0f172a;
}

.comment-date {
    font-size: 0.8rem;
    color: #64748b;
}

.comment-text {
    margin-top: 8px;
    color: #334155;
}

.comment-form {
    background: #f9fafc;
    padding: 30px;
    border-radius: 28px;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #d1d5db;
    border-radius: 60px;
    margin-bottom: 16px;
    font-family: inherit;
}

.comment-form textarea {
    border-radius: 30px;
    resize: vertical;
}

.comment-form button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 60px;
    font-weight: 600;
    cursor: default;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0 20px;
}

.related-card {
    background: #fff;
    border: 1px solid #edf2f7;
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -8px rgba(0, 0, 0, 0.08);
}

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

.related-card h4 {
    font-size: 1rem;
    margin: 14px 14px 8px;
    line-height: 1.4;
}

.related-card h4 a {
    color: #0f172a;
    text-decoration: none;
}

.related-card h4 a:hover {
    color: #2563eb;
}

.related-card .meta {
    margin: 0 14px 16px;
    font-size: 0.8rem;
    color: #64748b;
}

.author-hero-card {
    background: #ffffff;
    border-radius: 40px;
    padding: 48px 48px 40px;
    margin: 40px 0;
    border: 1px solid #edf2f7;
    box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.05);
}

.author-hero {
    display: flex;
    gap: 48px;
    align-items: center;
    flex-wrap: wrap;
}

.author-hero-avatar {
    flex-shrink: 0;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #fff;
    box-shadow: 0 15px 25px -8px rgba(0, 0, 0, 0.2);
}

.author-hero-info {
    flex: 1;
    min-width: 280px;
}

.author-hero-name {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin-bottom: 12px;
    line-height: 1.2;
}

.author-hero-role {
    font-size: 1.3rem;
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 16px;
}

.author-hero-bio {
    font-size: 1.1rem;
    color: #334155;
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 700px;
}

.author-social {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: #1e293b;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.2rem;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
    font-weight: 500;
}

.social-link:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-3px);
}

.author-detailed {
    background: #fff;
    border-radius: 40px;
    padding: 48px;
    margin-bottom: 40px;
    border: 1px solid #edf2f7;
}

.author-detailed h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 28px;
    color: #0f172a;
}

.author-detailed h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 32px 0 16px;
    color: #1e293b;
}

.author-detailed p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #334155;
    margin-bottom: 1.4em;
}

.author-stats {
    display: flex;
    gap: 48px;
    margin: 40px 0 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
}

.stat-label {
    font-size: 1rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.author-works {
    margin-top: 50px;
}

.author-works h2 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.work-card {
    background: #fff;
    border: 1px solid #eef2f6;
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.work-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 30px -12px rgba(37, 99, 235, 0.1);
}

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

.work-card .content {
    padding: 18px 16px 20px;
}

.work-card .tag {
    background: #e6f0ff;
    color: #1e4daa;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 40px;
    display: inline-block;
    margin-bottom: 12px;
}

.work-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.work-card h3 a {
    color: #0f172a;
    text-decoration: none;
}

.work-card h3 a:hover {
    color: #2563eb;
}

.work-card .meta {
    font-size: 0.8rem;
    color: #64748b;
}

.site-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 40px;
    margin-top: 40px;
}

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

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col a {
    color: #94a3b8;
    text-decoration: none;
}

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

.footer-logo {
    font-size: 2rem;
    color: white;
    margin-bottom: 15px;
}

.footer-logo span {
    color: #3b82f6;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: #1e293b;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, background 0.2s, visibility 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #2563eb;
}

@media (max-width: 1024px) {
    .category-layout {
        grid-template-columns: 100%;
        gap: 30px;
    }

    .article-detail {
        padding: 30px 20px;
    }

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

@media (max-width: 768px) {
    .site-header {
        position: relative;
    }

    .header-container {
        height: 54px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 54px;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid #e2e8f0;
        padding: 20px;
        box-shadow: 0 10px 15px -5px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }

    .hamburger {
        display: block;
    }

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

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

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

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

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

    .author-hero-name {
        font-size: 2.5rem;
    }

    .author-social {
        justify-content: center;
    }

    .author-detailed {
        padding: 30px 20px;
    }
}

@media (max-width: 640px) {
    .section-title {
        font-size: 1.6rem;
    }

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

    .breadcrumb {
        padding: 12px 16px;
    }

    .article-header h1 {
        font-size: 1.4rem;
    }

    .author-hero-avatar {
        width: 140px;
        height: 140px;
    }

    .author-hero-name {
        font-size: 2rem;
    }

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

    .article-meta-bar {
        gap: 0.5rem;
    }

    .author-mini .name,
    .meta-item {
        font-size: 0.75rem;
    }

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