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

 body {
     font-family: -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
     background-color: #fafafa;
     color: #1a1a1a;
     line-height: 1.5;
 }

 a {
     text-decoration: none;
     transition: color 0.3s;
     color: inherit;
 }

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

 ul,
 li {
     list-style: none;
 }

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


 .site-header {
     position: sticky;
     top: 0;
     background: rgba(255, 255, 255, 0.96);
     backdrop-filter: blur(8px);
     border-bottom: 1px solid #eaeaea;
     z-index: 100;
     transition: background 0.3s, box-shadow 0.3s;
 }

 .site-header.scrolled {
     background: rgba(255, 255, 255, 0.98);
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
     border-bottom-color: #d0d0d0;
 }

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

 .logo a {
     font-size: 1.8rem;
     font-weight: 700;
     letter-spacing: -0.5px;
     text-decoration: none;
     color: #0a0a0a;
 }

 .logo span {
     color: #eb7f50;
     font-weight: 400;
 }

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

 .main-nav a {
     text-decoration: none;
     color: #333;
     font-weight: 500;
     transition: color 0.2s;
 }

 .main-nav a:hover,
 .main-nav a.active {
     color: #eb7f50;
     border-bottom: 2px solid #eb7f50;
 }

 .hamburger {
     display: none;
     background: none;
     border: none;
     font-size: 2rem;
     cursor: pointer;
     color: #333;
 }


 .top-announcement {
     background: #f0f7ff;
     padding: 12px 0;
     border-bottom: 1px solid #d4e2f0;
     font-size: 1rem;
 }

 .top-announcement a {
     color: #eb7f50;
     text-decoration: underline;
 }


 .section {
     padding: 50px 0;
 }

 .section-title {
     font-size: 2rem;
     margin-bottom: 2rem;
     font-weight: 600;
     letter-spacing: -0.02em;
     border-left: 6px solid #eb7f50;
     padding-left: 1rem;
 }

 .bg-light {
     background-color: #f4f8ff;
 }

 .card {
     background: white;
     border-radius: 20px;
     overflow: hidden;
     box-shadow: 0 5px 15px rgba(0, 0, 0, 0.02);
     transition: all 0.25s ease;
     border: 1px solid #f0f0f0;
 }

 .card:hover {
     transform: translateY(-6px);
     box-shadow: 0 15px 25px rgba(0, 0, 0, 0.06);
 }

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

 .card-img img {
     width: 100%;
     height: 100%;
     border-radius: 10px;
     object-fit: cover;
     transition: transform 0.3s;
 }

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

 .card-content {
     padding: 20px 18px 24px;
 }

 .tag {
     display: inline-block;
     font-size: 0.7rem;
     font-weight: 600;
     text-transform: uppercase;
     letter-spacing: 0.5px;
     background: #eef2ff;
     color: #eb7f50;
     padding: 4px 10px;
     border-radius: 30px;
     margin-bottom: 12px;
     text-decoration: none;
 }

 .tag.politics {
     background: #fee2e2;
     color: #b91c1c;
 }

 .tag.tech {
     background: #e0f2fe;
     color: #0369a1;
 }

 .tag.world {
     background: #fef3c7;
     color: #92400e;
 }

 .tag.health {
     background: #dcfce7;
     color: #166534;
 }

 .tag.environment {
     background: #d9f99d;
     color: #3f6212;
 }

 .tag.business {
     background: #e6f7d4;
     color: #2e7d32;
 }

 .card h3,
 .card h2,
 .card h4 {
     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,
 .card h2 a,
 .card h4 a {
     text-decoration: none;
     color: inherit;
 }

 .card h3 a:hover {
     color: #eb7f50;
 }

 .excerpt {
     color: #4b5563;
     margin-bottom: 16px;
     display: -webkit-box;
     -webkit-line-clamp: 3;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }

 .meta {
     font-size: 0.85rem;
     color: #6b7280;
     display: flex;
     gap: 16px;
 }


 .grid-featured {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 24px;
 }

 .card-featured-main .card-content {
     padding-bottom: 28px;
 }

 .card-featured-side {
     display: flex;
     flex-direction: column;
     gap: 16px;
 }

 .card-horizontal {
     display: flex;
     align-items: center;
     gap: 16px;
     background: white;
     border-radius: 16px;
     padding: 8px;
     border: 1px solid #eee;
 }

 .card-horizontal .card-img {
     flex: 0 0 240px;
     aspect-ratio: 4/3;
 }

 .card-horizontal .card-content {
     padding: 8px 8px 8px 0;
 }

 .card-horizontal h3 {
     font-size: 1.3rem;
     margin-bottom: 6px;
     -webkit-line-clamp: 2;
     display: -webkit-box;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }


 .grid-2-cols {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 28px;
 }


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

 .card-special {
     background: white;
     border-radius: 32px;
     overflow: hidden;
     box-shadow: 0 8px 18px rgba(0, 0, 0, 0.02);
     border: 1px solid #eaeaea;
     transition: all 0.25s ease;
 }

 .card-special:hover {
     transform: translateY(-6px);
     box-shadow: 0 15px 25px rgba(0, 0, 0, 0.06);
 }

 .card-special .card-content {
     padding: 20px;
 }

 .card-special h3 {
     font-size: 1.3rem;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }


 .hot-topics {
     background: #fff;
 }

 .filter-row {
     display: flex;
     align-items: center;
     gap: 20px;
     margin-bottom: 30px;
     flex-wrap: wrap;
 }

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

 .custom-select {
     background: #f3f4f6;
     padding: 8px 18px;
     border-radius: 40px;
     font-size: 0.9rem;
     border: 1px solid #ddd;
     cursor: default;
     min-width: 140px;
     color: #1f2937;
 }

 .topic-tags {
     display: flex;
     flex-wrap: wrap;
     gap: 8px;
 }

 .topic-tags .tag {
     background: #eef2ff;
     color: #1e3a8a;
     font-size: 0.8rem;
     margin-bottom: 0;
 }

 .grid-hot {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
     gap: 12px;
 }

 .hot-item {
     background: #f9fafb;
     padding: 12px 16px;
     border-radius: 40px;
     display: flex;
     align-items: center;
     gap: 12px;
     font-weight: 500;
     border: 1px solid #edf2f7;
 }

 .hot-item span {
     background: #eb7f50;
     color: white;
     width: 26px;
     height: 26px;
     border-radius: 50%;
     display: inline-flex;
     align-items: center;
     justify-content: center;
     font-size: 0.8rem;
 }

 .hot-item a {
     text-decoration: none;
     color: #1f2937;
     flex: 1;
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
 }


 .site-footer {
     background: #0b1a2f;
     color: #cbd5e1;
     padding: 50px 0 30px;
     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: 30px;
 }

 .footer-col h3 {
     color: white;
     font-size: 1.6rem;
 }

 .footer-col h3 span {
     color: #3b82f6;
 }

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

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

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

 .footer-col a {
     color: #cbd5e1;
     text-decoration: none;
 }

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

 .social-links {
     display: flex;
     gap: 16px;
     font-size: 1.6rem;
 }


 .breadcrumb-wrap {
     background: #f4f6f9;
     padding: 12px 0;
     border-bottom: 1px solid #e2e8f0;
 }

 .breadcrumb {
     display: flex;
     flex-wrap: wrap;
     list-style: none;
     gap: 8px;
     font-size: 0.9rem;
 }

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

 .breadcrumb li::after {
     content: "/";
     margin-left: 8px;
     color: #94a3b8;
 }

 .breadcrumb li:last-child::after {
     content: "";
 }

 .breadcrumb a {
     color: #eb7f50;
     text-decoration: none;
 }

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

 .breadcrumb [aria-current="page"] {
     color: #334155;
     font-weight: 500;
 }


 .with-sidebar {
     display: flex;
     gap: 40px;
     padding: 40px 0;
 }

 .content-area {
     flex: 0 0 70%;
 }

 .sidebar {
     flex: 0 0 28%;
 }


 .category-header {
     background: #f0f4fa;
     padding: 32px 0;
 }

 .category-header h1 {
     font-size: 2.5rem;
     font-weight: 600;
 }

 .list-controls {
     display: flex;
     gap: 20px;
     margin-bottom: 30px;
     align-items: center;
 }

 .article-list {
     display: flex;
     flex-direction: column;
     gap: 28px;
 }

 .card-list-item {
     display: flex;
     gap: 24px;
     background: white;
     border-radius: 24px;
     overflow: hidden;
     border: 1px solid #eee;
 }

 .card-list-item .card-img {
     flex: 0 0 200px;
     aspect-ratio: 4/3;
 }

 .card-list-item .card-content {
     flex: 1;
     padding: 20px 20px 20px 0;
 }

 .pagination {
     margin-top: 40px;
     display: flex;
     flex-wrap: wrap;
     gap: 8px;
 }

 .pagination a,
 .pagination span {
     padding: 8px 14px;
     border-radius: 30px;
     background: #f3f4f6;
     text-decoration: none;
     color: #1f2937;
 }

 .pagination .current {
     background: #eb7f50;
     color: white;
 }

 .pagination .prev,
 .pagination .next {
     background: #e5e7eb;
 }


 .sidebar-widget {
     background: white;
     border-radius: 24px;
     padding: 24px;
     margin-bottom: 30px;
     border: 1px solid #edf2f7;
 }

 .sidebar-widget h3 {
     font-size: 1.3rem;
     margin-bottom: 20px;
     border-left: 4px solid #eb7f50;
     padding-left: 12px;
 }

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

 .author-avatar img {
     width: 100px;
     height: 100px;
     border-radius: 50%;
     object-fit: cover;
     margin: 0 auto 16px;
 }

 .author-bio {
     font-size: 0.9rem;
     color: #4b5563;
     margin: 12px 0;
 }

 .related-list,
 .latest-updates ul,
 .category-list ul {
     list-style: none;
 }

 .related-list li,
 .latest-updates li,
 .category-list li {
     margin-bottom: 12px;
     border-bottom: 1px dashed #e2e8f0;
     padding-bottom: 8px;
 }

 .related-list a,
 .latest-updates a,
 .category-list a {
     text-decoration: none;
     color: #1e293b;
     display: flex;
     justify-content: space-between;
 }

 .related-list a:hover,
 .latest-updates a:hover {
     color: #eb7f50;
 }

 .update-time {
     font-size: 0.8rem;
     color: #64748b;
 }

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

 .search-widget form {
     display: flex;
     margin: 15px 0;
 }

 .search-widget input {
     flex: 1;
     padding: 10px;
     border: 1px solid #ddd;
     border-radius: 40px 0 0 40px;
 }

 .search-widget button {
     padding: 10px 16px;
     border: 1px solid #eb7f50;
     background: #eb7f50;
     color: white;
     border-radius: 0 40px 40px 0;
     cursor: pointer;
 }

 .tag-cloud a {
     display: inline-block;
     background: #e5e7eb;
     padding: 6px 14px;
     border-radius: 30px;
     margin: 0 6px 8px 0;
     text-decoration: none;
     color: #1f2937;
     font-size: 0.85rem;
 }


 .article-container {
     display: flex;
     gap: 40px;
     padding: 40px 0;
 }

 .article-container article {
     flex: 3;
 }

 .article-sidebar {
     flex: 1;
 }

 .article-header h1 {
     font-size: 2.5rem;
     line-height: 1.2;
     margin: 16px 0 20px;
 }

 .subheadline {
     font-size: 1.2rem;
     color: #4b5563;
     margin-bottom: 24px;
 }

 .meta-row {
     display: flex;
     align-items: center;
     flex-wrap: wrap;
     gap: 20px;
     margin-bottom: 24px;
 }

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

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

 .author-mini-name {
     font-weight: 600;
     color: #1e293b;
 }

 .pub-details {
     display: flex;
     gap: 16px;
     color: #64748b;
     font-size: 0.9rem;
 }

 .article-featured-image {
     margin: 30px 0;
 }

 .article-featured-image img {
     width: 100%;
     border-radius: 24px;
 }

 .article-featured-image figcaption {
     font-size: 0.8rem;
     color: #6b7280;
     margin-top: 8px;
     text-align: center;
 }

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

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

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

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

 .article-topics {
     margin: 30px 0;
     display: flex;
     align-items: center;
     gap: 12px;
     flex-wrap: wrap;
 }

 .topic-label {
     font-weight: 600;
     color: #334155;
 }

 .author-info-block {
     display: flex;
     gap: 24px;
     background: #f8fafc;
     border-radius: 24px;
     padding: 24px;
     margin: 30px 0;
     border: 1px solid #e2e8f0;
 }

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

 .author-details {
     flex: 1;
 }

 .author-details h4 {
     margin-bottom: 8px;
     font-size: 1.5rem;
 }

 .author-bio-full {
     color: #4b5563;
     margin: 12px 0;
 }

 .author-social a {
     margin-right: 16px;
     font-size: 1.4rem;
     text-decoration: none;
     color: #334155;
 }

 .author-social a:hover {
     color: #eb7f50;
 }

 .share-buttons {
     margin: 40px 0;
     display: flex;
     flex-wrap: wrap;
     align-items: center;
     gap: 10px;
 }

 .share-btn {
     background: #eef2f6;
     padding: 10px;
     border: none;
     border-radius: 10px;
     font-size: 0.8rem;
     cursor: pointer;
     transition: background 0.2s;
 }

 .share-btn:hover {
     background: #d1d9e6;
     transform: translateY(-6px);
 }

 .comments-section {
     margin-top: 50px;
     border-top: 1px solid #e2e8f0;
     padding-top: 30px;
 }

 .comment-list {
     margin-bottom: 30px;
 }

 .comment {
     display: flex;
     gap: 16px;
     background: #f8fafc;
     padding: 16px;
     border-radius: 16px;
     margin-bottom: 16px;
 }

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

 .comment-body strong {
     color: #1e293b;
 }

 .comment-time {
     font-size: 0.8rem;
     color: #64748b;
     margin-left: 8px;
 }

 .comment-form input,
 .comment-form textarea {
     width: 100%;
     padding: 12px;
     border: 1px solid #ddd;
     border-radius: 12px;
     margin-bottom: 16px;
     font-family: inherit;
 }

 .comment-form button {
     background: #eb7f50;
     color: white;
     border: none;
     padding: 12px 24px;
     border-radius: 40px;
     font-weight: 600;
     cursor: pointer;
 }

 .comment-form button:hover {
     background: #1e4bb7;
 }

 .related-posts-grid {
     margin-top: 50px;
 }

 .related-posts-grid h3 {
     font-size: 1.5rem;
     margin-bottom: 20px;
 }

 .mini-cards .card-mini {
     display: flex;
     flex-direction: column;
 }

 .mini-cards .card-img {
     aspect-ratio: 4/3;
 }


 .author-page {
     padding: 40px 0;
 }

 .author-profile-header {
     display: flex;
     gap: 40px;
     align-items: center;
     background: white;
     border-radius: 32px;
     padding: 40px;
     margin-bottom: 40px;
     border: 1px solid #edf2f7;
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
 }

 .author-avatar-large img {
     width: 140px;
     height: 140px;
     border-radius: 50%;
     object-fit: cover;
     border: 4px solid white;
     box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
 }

 .author-headline h1 {
     font-size: 2.5rem;
     margin-bottom: 8px;
 }

 .author-role {
     font-size: 1.1rem;
     color: #eb7f50;
     font-weight: 500;
     margin-bottom: 16px;
 }

 .author-short-bio {
     font-size: 1rem;
     color: #4b5563;
     max-width: 600px;
     margin-bottom: 20px;
 }

 .author-social-links a {
     font-size: 1.8rem;
     margin-right: 20px;
     text-decoration: none;
     color: #334155;
     transition: color 0.2s;
 }

 .author-social-links a:hover {
     color: #eb7f50;
 }

 .author-detailed-content {
     background: white;
     border-radius: 32px;
     padding: 40px;
     border: 1px solid #edf2f7;
 }

 .author-detailed-content h2 {
     font-size: 2rem;
     margin: 30px 0 20px;
 }

 .author-detailed-content h2:first-of-type {
     margin-top: 0;
 }

 .author-detailed-content h3 {
     font-size: 1.5rem;
     margin: 30px 0 15px;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
 }

 .author-detailed-content p {
     margin-bottom: 1.5rem;
     font-size: 1rem;
     color: #2d3a4a;
     line-height: 1.7;
 }

 .author-detailed-content ul {
     margin: 20px 0 30px;
     padding-left: 20px;
 }

 .author-detailed-content li {
     margin-bottom: 10px;
 }


 .back-to-top {
     position: fixed;
     bottom: 30px;
     right: 30px;
     width: 50px;
     height: 50px;
     background: #eb7f50;
     color: white;
     border: none;
     border-radius: 50%;
     font-size: 1.6rem;
     cursor: pointer;
     display: none;
     box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
     z-index: 99;
     transition: background 0.2s;
 }

 .back-to-top:hover {
     background: #1e4bb7;
 }


 @media (max-width: 992px) {
     .grid-featured {
         grid-template-columns: 1fr;
     }

     .grid-3-cards-special {
         grid-template-columns: 1fr 1fr;
     }

     .with-sidebar {
         flex-direction: column;
     }

     .article-container {
         flex-direction: column;
     }

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

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

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

 @media (max-width: 768px) {
     .author-details h4 {
         text-align: center;
     }

     .author-info-block {
         flex-direction: column;
     }

     .card-horizontal {
         display: block;
     }

     .site-header {
         position: relative;
     }

     .header-container {
         height: 54px;
     }

     .hamburger {
         display: block;
     }

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

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

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

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

     .grid-3-cards-special {
         grid-template-columns: 1fr;
     }

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

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

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

     .author-avatar-large img {
         width: 140px;
         height: 140px;
         margin: auto;
     }

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

     .author-detailed-content {
         padding: 24px;
     }

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


     .author-mini-name,
     .pub-details {
         font-size: 0.75rem;
     }

     .meta-row {
         gap: 0.5rem;
     }
 }

 @media (max-width: 480px) {
     .container {
         padding: 0 16px;
     }

     .section-title {
         font-size: 1.8rem;
     }
 }