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

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

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

a:hover {
    text-decoration: underline;
}

ul,
ol {
    list-style: none;
}

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

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

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #eaeef2;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 600;
    color: #0b2b40;
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.main-nav a {
    text-decoration: none;
    color: #2c3e4f;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0066cc;
    border-bottom: 2px solid #0066cc;
    padding-bottom: 4px;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #1a1e24;
}

/* ===== TOP NOTE ===== */
.top-note {
    background: #f0f5fa;
    padding: 12px 0;
    border-bottom: 1px solid #d9e2e9;
    font-size: 0.95rem;
}

.top-note a {
    color: #0066cc;
    font-weight: 500;
    text-decoration: none;
}

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

/* ===== BREADCRUMB ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    background: #f6fafd;
    padding: 12px 24px;
    border-radius: 50px;
    margin: 24px 0 32px;
    font-size: 0.95rem;
}

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

.breadcrumb li:not(:last-child)::after {
    content: "›";
    margin: 0 12px;
    color: #8ba0b5;
    font-size: 1.2rem;
    line-height: 1;
}

.breadcrumb a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
}

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

.breadcrumb li[aria-current="page"] {
    color: #2c3e4f;
    font-weight: 600;
}

/* ===== SECTIONS ===== */
.section {
    padding: 48px 0 32px;
}

.section-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #0b2b40;
}

/* Static filter dropdown (no JS) */
.static-filter {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-select {
    padding: 8px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 30px;
    background: white;
    font-size: 0.95rem;
    color: #1e2a36;
    cursor: default;
    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='%23333' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* ===== CARD GRIDS (Homepage) ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

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

.card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.02), 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid #edf2f7;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(0, 60, 100, 0.1);
    border-color: #cbddee;
}

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

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

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

.card-content {
    padding: 18px 16px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #0066cc;
    background: #e6f0ff;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 30px;
    align-self: flex-start;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card h3 a {
    color: #0b2b40;
    text-decoration: none;
}

.card h3 a:hover {
    color: #0066cc;
}

.card-excerpt {
    color: #3f4d5e;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
    flex: 1;
}

.card-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: #6a7b8c;
    border-top: 1px dashed #dee7ef;
    padding-top: 14px;
}

.card-vertical .card-content {
    padding-bottom: 18px;
}

.card-large {
    grid-column: span 1;
}

.card-accent {
    background: #fafcff;
    border-left: 4px solid #0066cc;
}

/* Horizontal card variant */
.card-horizontal {
    flex-direction: row;
    grid-column: span 2;
}

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

.card-horizontal .card-content {
    width: 60%;
    padding: 16px 16px 16px 8px;
}

/* ===== SPECIAL REPORTS (homepage) ===== */
.special-reports {
    background: #f8fafd;
    padding: 48px 0;
}

.special-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.special-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 6px 14px rgba(0, 20, 40, 0.04);
    transition: 0.2s;
    border: 1px solid #e9ecf0;
}

.special-card:hover {
    box-shadow: 0 20px 30px -8px rgba(0, 60, 120, 0.15);
    transform: scale(1.01);
}

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

.special-content {
    padding: 20px;
}

.special-label {
    font-size: 0.7rem;
    background: #002b44;
    color: white !important;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 14px;
}

.special-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.special-content a {
    color: #0b2b40;
    text-decoration: none;
}

.special-excerpt {
    color: #415a70;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== TRENDING CATEGORIES (homepage) ===== */
.trending-cats {
    padding: 48px 0;
}

.cats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.cat-item {
    background: #f2f6fa;
    padding: 18px 12px;
    border-radius: 30px;
    text-align: center;
    font-weight: 600;
    font-size: 1.2rem;
    border: 1px solid transparent;
    transition: 0.15s;
}

.cat-item:hover {
    border-color: #aaccff;
    background: white;
    box-shadow: 0 8px 16px rgba(0, 51, 102, 0.05);
}

.count {
    font-size: 0.9rem;
    font-weight: 400;
    background: white;
    padding: 2px 10px;
    border-radius: 40px;
    margin-left: 10px;
    color: #1e3a5f;
}

/* ===== PAGINATION (static) ===== */
.pagination-static {
    margin: 40px auto 50px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.page-item {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 30px;
    background: white;
    border: 1px solid #d9e2eb;
    color: #1f3a57;
    text-decoration: none;
    font-weight: 500;
}

.page-item.active {
    background: #0066cc;
    border-color: #0066cc;
    color: white;
}

.page-item:hover:not(.active) {
    background: #ecf3fa;
}

/* ===== FOOTER ===== */
.site-footer {
    background: #0f2636;
    color: #dbecf7;
    margin-top: auto;
}

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

.footer-col h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #bcd3e6;
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid #1f405a;
    padding: 24px 0;
    text-align: center;
    color: #8aa9c2;
}

/* ===== TWO COLUMN LAYOUT (category & detail) ===== */
.two-col-layout {
    display: grid;
    grid-template-columns: 70% 28%;
    gap: 48px;
    padding: 40px 24px;
}

/* List cards (category page) */
.articles-list {
    /* no extra */
}

.list-card {
    display: flex;
    gap: 20px;
    border-bottom: 1px solid #e2eaf1;
    padding: 24px 0;
}

.list-card:first-child {
    padding-top: 0;
}

.list-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-card h3 a {
    color: #0b2b40;
    text-decoration: none;
}

.list-img {
    flex: 0 0 180px;
    aspect-ratio: 4/3;
    border-radius: 16px;
    overflow: hidden;
}

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

.list-content {
    flex: 1;
}

.list-excerpt {
    margin: 8px 0 12px;
    color: #3e5569;
}

/* Sidebar widgets */
.sidebar-widget {
    background: #f6fafd;
    padding: 24px;
    border-radius: 24px;
    margin-bottom: 32px;
}

.sidebar-widget h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: white;
    border: 1px solid #bed3e8;
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 0.9rem;
    color: #1f4a7a;
}

.trending-list li {
    margin-bottom: 14px;
    list-style: none;
}

.trending-list a {
    text-decoration: none;
    font-weight: 500;
    color: #1e3b5c;
    transition: color 0.15s;
}

.trending-list a:hover {
    color: #0066cc;
}

/* Author card (sidebar) */
.author-card {
    text-align: center;
    padding: 24px 16px;
    background: white;
    border-radius: 24px;
    border: 1px solid #e2ecf5;
    box-shadow: 0 5px 15px rgba(0, 30, 60, 0.03);
}

.author-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 16px;
    border: 3px solid #cde1f5;
}

.author-card h4 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: #0b2b40;
}

.author-card p {
    color: #4a6177;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Category list (sidebar) */
.category-list {
    list-style: none;
    margin-top: 16px;
}

.category-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #edf2f7;
    padding-bottom: 8px;
}

.category-list a {
    text-decoration: none;
    color: #1f3f5c;
    font-weight: 500;
}

.category-list a:hover {
    color: #0066cc;
}

.category-list .count {
    background: #e4eef9;
    padding: 3px 12px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1a4b77;
}

/* ===== DETAIL PAGE (article) ===== */
.post-container {
    max-width: 800px;
    margin: 48px auto;
}

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

.full-article h1 {
    font-size: 2.6rem;
    line-height: 1.2;
    margin: 16px 0 10px;
}

.post-meta-detailed {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px 30px;
    margin: 20px 0 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2ecf5;
}

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

.author-mini img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.author-mini span {
    font-weight: 600;
    color: #1e3b5c;
}

.post-stats {
    display: flex;
    gap: 20px;
    color: #617e9c;
    font-size: 0.9rem;
}

.post-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.post-img {
    margin: 32px 0;
}

.post-img img {
    width: 100%;
    border-radius: 24px;
}

.article-body {
    font-size: 0.985rem;
    letter-spacing: 0.2px;
    color: #171717;
    line-height: 1.7;
    margin: 30px 0;
}

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

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

.article-body h2 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: #0b2b40;
}

.article-body blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: #f0f8ff;
    border-left: 4px solid #0066cc;
    font-style: italic;
    border-radius: 12px;
}

.article-body figure {
    margin: 2rem 0;
}

.article-body figcaption {
    font-size: 0.85rem;
    color: #617e9c;
    margin-top: 6px;
}

.post-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 25px 0 20px;
}

.post-categories a {
    background: #e6f0ff;
    color: #0066cc;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: 0.2s;
}

.post-categories a:hover {
    background: #0066cc;
    color: white;
}

.author-box {
    display: flex;
    gap: 25px;
    background: #f8fcff;
    border-radius: 24px;
    padding: 30px;
    margin: 40px 0 30px;
    border: 1px solid #e1eefb;
    align-items: center;
}

.author-box img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0, 60, 120, 0.1);
}

.author-box h4 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: #0b2b40;
}

.author-box p {
    color: #3f5e7a;
    font-size: 1rem;
    line-height: 1.5;
}

.share-bar-large {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin: 30px 0 20px;
    padding: 20px 0;
    border-top: 1px solid #d9e6f2;
    border-bottom: 1px solid #d9e6f2;
}

.share-bar-large span {
    font-weight: 600;
    color: #1d3d5c;
}

.share-btn {
    background: #eef3f9;
    border: none;
    padding: 10px 28px;
    border-radius: 40px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.15s;
    font-size: 0.95rem;
}

.share-btn:hover {
    background: #0066cc;
    color: white;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 30px 0 40px;
}

.related-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #eaf1f9;
    transition: transform 0.2s, box-shadow 0.3s;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 40, 80, 0.08);
}

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

.related-content {
    padding: 16px 16px 18px;
}

.related-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    line-height: 1.4;
    font-weight: 600;
}

.related-content h4 a {
    color: #0b2b40;
    text-decoration: none;
}

.related-content h4 a:hover {
    color: #0066cc;
}

.related-meta {
    font-size: 0.8rem;
    color: #6f8ba8;
}

/* ===== COMMENTS (static) ===== */
.comments-section {
    margin-top: 40px;
}

.comment {
    background: #f8fcff;
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 18px;
}

.comment-author {
    font-weight: 700;
    margin-bottom: 6px;
    color: #0b2b40;
}

.comment-text {
    margin-bottom: 8px;
    color: #1f3f5c;
}

.comment-date {
    color: #6f8ba8;
    font-size: 0.8rem;
}

.comment-form {
    background: #f1f7fd;
    padding: 28px;
    border-radius: 28px;
    margin-top: 40px;
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #cbdae9;
    border-radius: 40px;
    margin-bottom: 18px;
    font-family: inherit;
}

.btn-primary {
    background: #0066cc;
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.15s;
}

.btn-primary:hover {
    background: #004999;
}

/* ===== AUTHOR PAGE ===== */
.author-profile {
    max-width: 900px;
    margin: 0 auto 60px;
    background: white;
    border-radius: 32px;
    box-shadow: 0 10px 30px rgba(0, 20, 40, 0.03);
    border: 1px solid #e9f0f7;
    overflow: hidden;
    padding: 48px 48px 40px;
}

.author-profile-header {
    display: flex;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.author-profile-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 10px 25px rgba(0, 60, 120, 0.15);
}

.author-profile-title h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #0b2b40;
    margin-bottom: 8px;
    line-height: 1.2;
}

.author-profile-role {
    font-size: 1.3rem;
    color: #0066cc;
    font-weight: 500;
    margin-bottom: 15px;
}

.author-profile-meta {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.author-profile-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #3f5e7a;
}

.author-profile-bio {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #1f3f5c;
    background: #f8fcff;
    padding: 30px;
    border-radius: 24px;
    margin: 40px 0 30px;
    border-left: 6px solid #0066cc;
}

.author-profile-body {
    font-size: 1rem;
    line-height: 1.7;
    color: #171717;
    letter-spacing: 0.2px;
    margin: 30px 0 30px;
}

.author-profile-body h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: #0b2b40;
}

.author-profile-body h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: #1e3a5f;
}

.author-profile-body p {
    margin-bottom: 1.5em;
}

.author-articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0 20px;
}

.author-article-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #e2ecf5;
    transition: transform 0.2s, box-shadow 0.3s;
}

.author-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 40, 80, 0.08);
}

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

.author-article-content {
    padding: 16px 16px 20px;
}

.author-article-content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.author-article-content h4 a {
    color: #0b2b40;
    text-decoration: none;
}

.author-article-content h4 a:hover {
    color: #0066cc;
}

.author-article-meta {
    font-size: 0.8rem;
    color: #6f8ba8;
    display: flex;
    gap: 15px;
}

.social-links {
    display: flex;
    gap: 20px;
    margin: 30px 0 0;
    padding-top: 30px;
    border-top: 1px solid #d9e6f2;
}

.social-link {
    background: #eef3f9;
    padding: 10px 25px;
    border-radius: 40px;
    text-decoration: none;
    color: #1e3a5f;
    font-weight: 500;
    transition: 0.2s;
}

.social-link:hover {
    background: #0066cc;
    color: white;
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #0b2b40;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 99;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 900px) {

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

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

    .two-col-layout {
        grid-template-columns: 100%;
        padding: 0;
    }

    .list-img {
        flex: auto;
    }

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

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

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

@media (max-width: 700px) {
    .site-header {
        position: relative;
    }

    .header-container {
        height: 54px;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 54px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid #ccc;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    }

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

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

    .hamburger {
        display: block;
    }

    .card-grid,
    .special-grid,
    .footer-grid,
    .author-articles-grid {
        grid-template-columns: 1fr;
    }

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

    .list-img {
        width: 100%;
    }

    .author-profile-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .author-profile-title h1 {
        font-size: 2.2rem;
    }

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

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

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

    .post-meta-detailed {
        gap: 0.5rem;
    }

    .author-mini span,
    .post-stats {
        font-size: 0.75rem;
    }

    .breadcrumb {
        margin: 16px 0 20px;
        padding: 10px 16px;
    }

    .author-avatar {
        width: 70px;
        height: 70px;
    }
}