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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: #1a1e24;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

ul,
li {
    list-style: none;
}

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

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

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

.site-header {
    background: transparent;
    border-bottom: 1px solid rgba(234, 238, 242, 0.5);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom-color: #eaeef2;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.logo a {
    text-decoration: none;
    color: #0b1c2f;
}

.logo span {
    color: #2563eb;
    font-weight: 300;
}

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

.main-nav a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

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

.hamburger {
    display: none;
    background: none;
    border: 1px solid #d0d9e4;
    font-size: 1.8rem;
    padding: 0.2rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    color: #1a1e24;
}

.top-announcement {
    background: #f0f4fa;
    padding: 0.75rem 0;
    font-size: 0.95rem;
    border-bottom: 1px solid #dce5ec;
}

.top-announcement p {
    text-align: center;
}

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

.section {
    padding: 3rem 0;
}

.section-alt {
    background-color: #f9fbfd;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    border-left: 6px solid #2563eb;
    padding-left: 1rem;
}

.post-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 20, 40, 0.05);
    transition: all 0.25s ease;
    border: 1px solid #edf2f7;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 30px -10px rgba(0, 40, 80, 0.12);
    border-color: #cbd5e1;
}

.card-img {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #eef2f6;
}

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

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

.card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.8rem;
    border-radius: 30px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-content {
    padding: 1.2rem 1.2rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-title a {
    text-decoration: none;
    color: #0b1c2f;
}

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

.card-excerpt {
    color: #3a4a5c;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: #617388;
    align-items: center;
    border-top: 1px dashed #dde3ea;
    padding-top: 0.8rem;
    margin-top: auto;
}

.card-meta a {
    color: #2c3e50;
    text-decoration: none;
}

.card-grid {
    display: grid;
    gap: 2rem;
}

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

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

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

.post-card--featured .card-title {
    font-size: 1.5rem;
}

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

.post-card--horizontal {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.post-card--horizontal .card-img {
    width: 40%;
    height: 100%;
    aspect-ratio: 4/3;
    flex-shrink: 0;
}

.post-card--horizontal .card-content {
    padding: 0.5rem 0.5rem 0.5rem 0;
}

.post-card--horizontal .card-title {
    -webkit-line-clamp: 2;
    margin-bottom: 0.2rem;
}

.post-card--horizontal .card-category {
    position: static;
    display: inline-block;
    background: #e6edf5;
    color: #1e3a6f;
    margin-bottom: 0.25rem;
    padding: 0.1rem 0.6rem;
    border: none;
}

.special-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.post-card--large .card-title {
    font-size: 1.8rem;
}

.special-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.post-card--mini {
    background: #f7fafd;
    border: none;
    box-shadow: none;
    border-radius: 16px;
    padding: 1.2rem;
}

.post-card--mini .card-content {
    padding: 0;
}

.categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.category-item {
    background: white;
    border: 1px solid #dde3ea;
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: #1a1e24;
    text-decoration: none;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.category-item .count {
    background: #edf2f7;
    color: #2c3e50;
    border-radius: 30px;
    padding: 0.2rem 0.8rem;
    font-size: 0.8rem;
    transition: background 0.15s;
}

.category-item:hover .count {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.site-footer {
    background: #0b1c2f;
    color: #cbd5e1;
    margin-top: 3rem;
    padding: 1.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer-logo {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-logo span {
    color: #5f9eff;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1rem;
    font-weight: 500;
}

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

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: #a0b3cc;
    text-decoration: none;
}

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

.footer-copyright {
    text-align: center;
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0b1c2f;
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 0.8;
    visibility: visible;
}

.back-to-top:hover {
    opacity: 1;
}

.breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.breadcrumb ol {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: #f4f7fb;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
}

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

.breadcrumb li:not(:last-child)::after {
    content: "›";
    margin-left: 0.5rem;
    color: #94a3b8;
    font-size: 1.2rem;
    line-height: 1;
}

.breadcrumb a {
    color: #2563eb;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

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

.breadcrumb [aria-current="page"] {
    color: #2c3e50;
    font-weight: 500;
}

.bread-icon {
    font-size: 1.1rem;
}

.two-col-layout {
    display: grid;
    grid-template-columns: 70% 30%;
    gap: 2.5rem;
    margin-top: 1rem;
}

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

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 3rem 0 1rem;
    flex-wrap: wrap;
}

.page-link {
    padding: 0.5rem 1rem;
    border: 1px solid #dde3ea;
    border-radius: 8px;
    text-decoration: none;
    color: #1a1e24;
    background: white;
    transition: all 0.15s;
}

.page-link.active,
.page-link:hover {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.page-link.disabled {
    color: #a0b3cc;
    pointer-events: none;
    border-color: #e2e8f0;
    background: #f9fafc;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.widget {
    background: #ffffff;
    border: 1px solid #edf2f7;
    border-radius: 24px;
    padding: 1.5rem 1.2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
}

.widget-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    padding-bottom: 0.6rem;
    border-bottom: 3px solid #2563eb;
    display: inline-block;
}

.author-widget .author-header {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e2e8f0;
}

.author-name-title h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #0b1c2f;
}

.author-name-title p {
    color: #617388;
    font-size: 0.9rem;
}

.author-bio {
    color: #3a4a5c;
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.post-list li {
    margin-bottom: 1rem;
    border-bottom: 1px dashed #e2e8f0;
    padding-bottom: 0.8rem;
}

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

.post-list a {
    display: flex;
    gap: 0.8rem;
    text-decoration: none;
    align-items: flex-start;
}

.list-thumb {
    width: 60px;
    height: 45px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    background: #eef2f6;
}

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

.list-title {
    flex: 1;
    color: #1a1e24;
    font-weight: 500;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.list-date {
    color: #617388;
    font-size: 0.8rem;
    white-space: nowrap;
    align-self: center;
}

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

.simple-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #edf2f7;
}

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

.simple-list a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 400;
    flex: 1;
}

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

.simple-list .date {
    color: #617388;
    font-size: 0.8rem;
    margin-left: 1rem;
}

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

.cat-list li {
    margin-bottom: 0.6rem;
}

.cat-list a {
    display: flex;
    justify-content: space-between;
    color: #2c3e50;
    text-decoration: none;
    padding: 0.4rem 0;
    border-bottom: 1px dotted #dde3ea;
    transition: color 0.15s;
}

.cat-list a:hover {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.cat-count {
    background: #f1f5f9;
    border-radius: 30px;
    padding: 0.15rem 0.7rem;
    font-size: 0.8rem;
    color: #334155;
}

.full-article {
    max-width: 100%;
}

.article-header {
    margin-bottom: 2rem;
}

.article-category {
    color: #2563eb;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.article-header h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin: 0.5rem 0 0.75rem;
    font-weight: 700;
    color: #0b1c2f;
}

.article-subhead {
    font-size: 1.3rem;
    color: #3a4a5c;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: #617388;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 0;
    font-size: 0.95rem;
}

.meta-left {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.author-mini {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.author-mini-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.author-mini-name a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    background: none;
    border: 1px solid #cbd5e1;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.15s;
    color: #1a1e24;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.article-featured-img {
    margin: 2rem 0;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

.article-body {
    font-size: 0.985rem;
    letter-spacing: 0.2px;
    color: #171717;
    line-height: 1.7;
    margin-bottom: 2rem;
}

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

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
    font-weight: 600;
    color: #0b1c2f;
}

.article-body h2:first-of-type {
    margin-top: 0;
}

.article-footer {
    margin-top: 2.5rem;
    border-top: 1px solid #e2e8f0;
    padding-top: 2rem;
}

.tag-list {
    margin-bottom: 2rem;
}

.tag-label {
    font-weight: 600;
    margin-right: 0.5rem;
    color: #1e293b;
}

.tag {
    display: inline-block;
    background: #edf2f7;
    padding: 0.2rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    color: #2c3e50;
    text-decoration: none;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: background 0.15s;
}

.tag:hover {
    background: #2563eb;
    color: white;
}

.author-card {
    background: #f8fafd;
    border-radius: 24px;
    padding: 1.5rem;
    margin: 2rem 0;
    border: 1px solid #e2e8f0;
}

.author-card-inner {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.author-card-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.author-card-info h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.author-card-info h4 a {
    color: #0b1c2f;
    text-decoration: none;
}

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

.author-bio {
    color: #3a4a5c;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.author-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
}

.author-meta a {
    color: #2563eb;
    text-decoration: none;
}

.share-bottom {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
}

.share-bottom span {
    font-weight: 500;
    color: #334155;
}

.comments-section {
    background: #ffffff;
    border-radius: 24px;
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid #edf2f7;
}

.comments-section h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    border-left: 4px solid #2563eb;
    padding-left: 1rem;
}

.comment {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #edf2f7;
}

.comment:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

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

.comment-content {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    color: #0b1c2f;
    margin-bottom: 0.25rem;
}

.comment-date {
    font-size: 0.8rem;
    color: #617388;
    font-weight: normal;
    margin-left: 1rem;
}

.comment-content p {
    color: #1e293b;
    font-size: 0.95rem;
    line-height: 1.6;
}

.comment-form {
    margin-top: 2rem;
    background: #f9fbfd;
    padding: 1.5rem;
    border-radius: 20px;
}

.comment-form h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
}

.comment-form button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.comment-form button:hover {
    background: #1d4ed8;
}

.form-note {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 0.5rem;
}

.related-posts-section {
    margin-top: 3rem;
}

.related-title {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-left: 6px solid #2563eb;
    padding-left: 1rem;
}

.author-full {
    max-width: 100%;
}

.author-profile-card {
    background: #ffffff;
    border-radius: 32px;
    border: 1px solid #edf2f7;
    padding: 2.5rem;
    margin: 3rem 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.author-profile-inner {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 2rem;
}

.author-profile-avatar {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid #e2e8f0;
    box-shadow: 0 15px 25px -8px rgba(0, 0, 0, 0.1);
}

.author-profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-profile-info {
    flex: 1;
}

.author-profile-name {
    font-size: 3rem;
    font-weight: 700;
    color: #0b1c2f;
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.author-profile-title {
    font-size: 1.4rem;
    color: #2563eb;
    margin-bottom: 1rem;
    font-weight: 400;
}

.author-profile-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.2rem;
    color: #4a5c72;
    font-size: 1rem;
}

.author-profile-meta a {
    color: #2563eb;
    text-decoration: none;
}

.author-profile-social {
    display: flex;
    gap: 0.8rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #edf2f7;
    border-radius: 50%;
    color: #1e293b;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.2s;
}

.social-link:hover {
    background: #2563eb;
    color: white;
}

.author-profile-bio {
    border-top: 1px solid #e2e8f0;
    padding-top: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #2d3a4b;
}

.author-profile-bio p {
    margin-bottom: 1.2rem;
}

.author-articles-section {
    margin-top: 2rem;
}

.author-articles-section .section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.more-link {
    text-align: center;
    margin-top: 2.5rem;
}

.btn-outline {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid #2563eb;
    border-radius: 60px;
    color: #2563eb;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

@media (max-width: 1024px) {
    .two-col-layout {
        gap: 1.5rem;
    }

    .card-grid--3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .two-col-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: 2;
    }

    .content-main {
        order: 1;
    }

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

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

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

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

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

    .author-profile-meta {
        justify-content: center;
    }

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

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

@media (max-width: 768px) {
    .article-meta {
        font-size: 0.75rem;
    }

    .site-header {
        position: relative;
    }

    .header-inner {
        height: 54px;
    }

    .hamburger {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 54px;
        left: 0;
        width: 100%;
        background: white;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .main-nav.open {
        max-height: 350px;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 0.5rem;
    }

    .article-header h1 {
        font-size: clamp(1.25rem, 6vw, 1.8rem);
    }

    .breadcrumb ol {
        border-radius: 30px;
        padding: 0.6rem 1rem;
    }

    .article-meta {
        gap: 0.5rem;
    }

    .author-mini {
        margin-left: 0;
    }

    .share-buttons {
        align-self: flex-end;
    }

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

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

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

    .author-profile-card {
        padding: 1.5rem;
    }

    .author-profile-avatar {
        width: 150px;
        height: 150px;
    }

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