:root {
    --primary: #0a2540;
    --secondary: #4a6fa5;
    --accent: #e07a5f;
    --light-bg: #f9fbfd;
    --border-light: #e6edf2;
    --text-dark: #1e2f4e;
    --text-muted: #546e7a;
    --white: #ffffff;
    --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 20, 40, 0.02);
    --shadow-hover: 0 20px 30px -10px rgba(0, 30, 50, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition: all 0.25s ease;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 1.0625rem;
    -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
li {
    list-style: none;
}

h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border-bottom-color: #d0dde5;
}

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

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.nav-list {
    display: flex;
    gap: 2.2rem;
}

.nav-list a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--primary);
}


.ratio-43 {
    aspect-ratio: 4/3;
    overflow: hidden;
    position: relative;

}

.ratio-43 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 28px;
}

.post-card:hover .ratio-43 img {
    transform: scale(1.05);
}

.category-tag {
    display: inline-block;
    background: var(--white);
    color: var(--secondary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 30px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid var(--border-light);
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
}

.category-pos-none {
    position: initial;
}

.static-tag {
    position: relative;
    bottom: auto;
    left: auto;
    display: inline-block;
    margin-bottom: 12px;
}

.post-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.card-content {
    padding: 20px 18px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.card-title a:hover {
    color: var(--secondary);
}

.card-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

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

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

.meta-info {
    display: flex;
    gap: 18px;
    font-size: 0.8rem;
    color: #6c7a89;
    margin-top: auto;
    align-items: center;
}

.section-header {
    margin: 50px 0 30px;
    position: relative;
    padding-bottom: 20px;
}

.section-header::after {
    display: block;
    content: '';
    width: 80px;
    height: 3px;
    background: var(--accent);
    position: absolute;
    left: 0;
    bottom: 0;
}

.category-page-header {
    margin: 0 0 30px;
    position: relative;
    padding-bottom: 20px;
}

.category-page-header::after {
    display: block;
    content: '';
    width: 80px;
    height: 3px;
    background: var(--accent);
    position: absolute;
    left: 0;
    bottom: 0;
}

.related-detail-title {
    margin: 0 0 30px;
    position: relative;
    padding-bottom: 20px;
    font-size: 1.5rem;
}

.related-detail-title::after {
    display: block;
    content: '';
    width: 80px;
    height: 3px;
    background: var(--accent);
    position: absolute;
    left: 0;
    bottom: 0;
}


.card-b .card-content {
    padding: 18px;
}

.card-c .category-tag {
    background: var(--accent);
    color: white;
    border: none;
}

.card-d .card-content .category-tag {
    position: relative;
    bottom: auto;
    left: auto;
    display: inline-block;
    margin-bottom: 12px;
    background: #eef6ff;
}



.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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


.top-announcement {
    background-color: #f2f6fc;
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
    font-size: 0.95rem;
}

.announce-link {
    font-weight: 600;
    color: var(--secondary);
}


.report-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.report-card-h {
    display: flex;
    gap: 30px;
    background: var(--light-bg);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.report-card-h:hover {
    box-shadow: var(--shadow-hover);
}

.report-img {
    flex: 0 0 35%;
    position: relative;
}

.report-label {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 40px;
    letter-spacing: 1px;
}

.report-content {
    flex: 1;
    padding: 28px 28px 28px 0;
    position: relative;
}

.report-content h3 {
    font-size: 1.7rem;
    margin: 12px 0 12px;
    line-height: 1.2;
}

.report-excerpt {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.reverse {
    flex-direction: row-reverse;
}

.reverse .report-content {
    padding: 28px 0 28px 28px;
}


.category-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.cat-item {
    background: white;
    border: 1px solid var(--border-light);
    padding: 12px 24px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dark);
}

.cat-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(0.97);
}

.cat-count {
    background: #eef2f7;
    padding: 3px 12px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
}

.cat-item:hover .cat-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}


.breadcrumb-wrapper {
    margin: 24px 0 16px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 12px 0;
    font-size: 0.9rem;
}

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

.breadcrumb-item a {
    color: var(--secondary);
    font-weight: 500;
    transition: color 0.15s;
}

.breadcrumb-item a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.breadcrumb-item+.breadcrumb-item::before {
    content: "/";
    margin: 0 12px;
    color: #a0b8c2;
    font-weight: 300;
}

.breadcrumb-item.active {
    color: var(--text-muted);
    font-weight: 500;
}


.main-layout-category {
    max-width: 1280px;
    margin-bottom: 60px;
}

.category-two-column {
    display: grid;
    grid-template-columns: 70% 28%;
    gap: 2%;
    align-items: start;
}

.category-main {
    width: 100%;
}

.author-byline {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

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

.author-byline .author-name {
    font-weight: 600;
    color: #0b1c2f;
    font-size: 1rem;
    margin: 0;
}

.author-widget .author-header {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.2rem;
    margin-top: 0;
    padding: 0;
    border: none;
    background: none;
    box-shadow: none;
}

.author-widget .author-header::before {
    content: none;
}

.author-widget .author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.author-widget .author-name-title h3 {
    font-size: 1.2rem;
    margin: 0 0 0.2rem;
    border: none;
    padding: 0;
    color: #333;
}

.author-name-title p {
    font-size: 0.9rem;
    color: #6b7f94;
}

.author-widget .author-bio {
    font-size: 0.95rem;
    color: #34495e;
    line-height: 1.5;
    margin: 0;
}

.category-sidebar {
    width: 100%;
}

.sidebar-widget {
    background: #f7fafc;
    border-radius: 24px;
    padding: 28px 24px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.sidebar-widget:hover {
    box-shadow: var(--shadow-hover);
}

.widget-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
}

.widget-title span {
    background: transparent;
    padding-right: 12px;
}


.related-list {
    margin: 0;
    padding: 0;
}

.related-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #e3ecf0;
    padding-bottom: 18px;
}

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

.related-link {
    display: flex;
    gap: 16px;
    align-items: center;
}

.related-thumb {
    flex: 0 0 70px;
    border-radius: 12px;
    overflow: hidden;
}

.related-thumb img {
    border-radius: 0;
}

.related-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-title {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 6px;
    color: var(--text-dark);
    transition: color 0.15s;
}

.related-link:hover .related-title {
    color: var(--secondary);
}

.related-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}


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

.latest-list li {
    margin-bottom: 16px;
    font-size: 0.95rem;
    border-bottom: 1px dashed #dce5ea;
    padding-bottom: 12px;
}

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

.latest-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
    font-weight: 500;
}

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

.latest-date {
    font-size: 0.75rem;
    color: #8a9aa5;
    font-weight: 400;
}


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

.category-list li {
    margin-bottom: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dotted #d9e2e8;
    padding-bottom: 10px;
}

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

.category-list a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.15s;
}

.category-list a:hover {
    color: var(--secondary);
}

.cat-count {
    background: #eef3f7;
    padding: 3px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #4d6674;
}


.newsletter-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.static-input {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid #d0dce2;
    border-radius: 60px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.static-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 60px;
    font-weight: 600;
    width: 100%;
    cursor: pointer;
    transition: background 0.2s;
}

.static-btn:hover {
    background: #0d3350;
}


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

.page-link {
    display: inline-block;
    padding: 10px 18px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: all 0.15s;
}

.page-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    font-weight: 600;
}

.page-link.prev,
.page-link.next {
    font-weight: 600;
    padding: 10px 22px;
}

.page-dots {
    padding: 10px 8px;
    color: var(--text-muted);
}


.full-article {
    background: white;
    padding: 0;
    margin-bottom: 40px;
}

.article-header {
    margin-bottom: 28px;
}

.article-title {
    font-size: 2.8rem;
    line-height: 1.1;
    margin: 16px 0 12px;
    font-weight: 700;
    color: var(--primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.share-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-right: 4px;
}

.share-btn {
    background: var(--accent);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-weight: 600;
    cursor: pointer;
    transition: 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.share-btn i{
    color: var(--white);
    font-size: 22px;
    font-weight: bold;
}



.share-btn:hover {
    transform: translateY(-5px);
}

.article-featured-img {
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 32px;
}

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

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

.article-tags {
    border-top: 1px solid var(--border-light);
    padding-top: 28px;
    display: flex;
    gap: 10px;
    align-items: baseline;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.tag-label {
    font-weight: 600;
    color: var(--text-dark);
}

.tag {
    background: #eaf0f3;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.2s;
}

.tag:hover {
    background: #d0dfe6;
}


.author-card {
    display: flex;
    gap: 24px;
    background: var(--light-bg);
    border-radius: 24px;
    padding: 28px 32px;
    margin: 48px 0 32px;
    align-items: center;
    border: 1px solid var(--border-light);
}

.author-avatar {
    flex: 0 0 80px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

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

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary);
}

.author-bio {
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.author-meta {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
}

.author-twitter {
    color: var(--secondary);
    font-weight: 500;
}

.author-posts {
    color: var(--text-muted);
}


.comments-section {
    margin-top: 40px;
    border-top: 1px solid #e0ecf2;
    padding-top: 40px;
}

.comments-title {
    font-size: 1.6rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.comment-count {
    background: #e6eff5;
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
}

.comment-list {
    margin-bottom: 40px;
}

.comment {
    background: #f7fbfd;
    padding: 24px;
    border-radius: 20px;
    margin-bottom: 18px;
    border: 1px solid #edf3f7;
}

.comment-meta {
    margin-bottom: 12px;
    display: flex;
    gap: 16px;
    align-items: baseline;
}

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

.comment p {
    color: #345e6e;
}

.comment-form-static {
    margin-top: 30px;
    background: white;
    padding: 24px;
    border-radius: 24px;
    border: 1px solid var(--border-light);
}

.comment-form-static h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.comment-form-static textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    margin-bottom: 16px;
    font-family: inherit;
    font-size: 0.95rem;
}

.comment-form-row {
    display: flex;
    gap: 16px;
    align-items: center;
}

.comment-form-row input {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid var(--border-light);
    border-radius: 60px;
    font-size: 0.95rem;
}

.comment-form-row .static-btn {
    width: auto;
    padding: 14px 32px;
}


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


.author-page {
    max-width: 1080px;
    margin: 60px auto 60px;
}

.author-header {
    display: flex;
    gap: 40px;
    align-items: center;
    background: var(--white);
    border-radius: 32px;
    padding: 40px 48px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.author-avatar-large {
    flex: 0 0 200px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

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

.author-title-group {
    flex: 1;
}

.author-fullname {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1.1;
}

.author-role {
    font-size: 1.3rem;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 500;
}

.author-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 20px;
}

.stat-item {
    background: #f0f6fa;
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.author-social {
    display: flex;
    gap: 12px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: #f0f5f8;
    border-radius: 50%;
    font-size: 1.4rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.author-bio-detailed {
    background: var(--light-bg);
    border-radius: 28px;
    padding: 48px 48px;
    margin-bottom: 48px;
    border: 1px solid var(--border-light);
}

.bio-headline {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    border-bottom: 3px solid var(--accent);
    display: inline-block;
    padding-bottom: 8px;
}

.bio-content {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #2e405b;
}

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

.author-awards {
    margin-bottom: 60px;
}

.section-title {
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    letter-spacing: -0.01em;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.award-card {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 24px;
    padding: 28px 22px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.award-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: var(--secondary);
}

.award-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: block;
}

.award-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary);
}

.award-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.author-works {
    margin-top: 20px;
}

.view-all-link {
    text-align: center;
    margin-top: 40px;
}

.outline-btn {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 12px 36px;
    border-radius: 60px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.outline-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}


.site-footer {
    background: #0f2a3f;
    color: #e0eaf1;
    padding: 60px 0 40px;
    margin-top: 60px;
}

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

.site-footer a {
    color: #e0eaf1;
}

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

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

.footer-desc {
    color: #b0c8d9;
    margin-bottom: 20px;
    max-width: 260px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-links a {
    color: #b0c8d9;
    transition: var(--transition);
}

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

.copyright {
    font-size: 0.85rem;
    color: #8ea3b4;
}


.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    z-index: 99;
}

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


@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .category-two-column {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-title {
        font-size: 2.2rem;
    }

    .author-header {
        flex-direction: column;
        text-align: center;
        padding: 32px;
    }

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

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

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

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

    .header-container {
        height: 54px;
    }

    .category-two-column {
        grid-template-columns: 100%;
    }

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

    .report-card-h {
        display: block;
    }

    .author-header {
        padding: 20px;
    }

    .report-content {
        padding: 15px;
    }

    .nav-list {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .main-nav.active .nav-list {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px 24px;
        border-bottom: 1px solid #ccc;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.02);
    }

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

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

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

    .author-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .author-avatar {
        margin-bottom: 8px;
    }

    .comment-form-row {
        flex-direction: column;
    }

    .comment-form-row .static-btn {
        width: 100%;
    }

    .breadcrumb {
        font-size: 0.8rem;
    }

    .author-fullname {
        font-size: 2.2rem;
    }


    .author-bio-detailed {
        padding: 32px;
    }

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

    .author-page .card-grid.grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .article-meta {
        gap: 0.5rem;
    }

    .author-mini-avatar{
        display: none;
    }

    .article-meta{
        font-size: 0.8rem;
    }

    .author-stats {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}