:root {
            --primary-blue: #0a2342;
            --secondary-gold: #c5a572;
            --accent-red: #9e2a2b;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --gray-border: #dee2e6;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark-text);
            background-color: var(--light-bg);
            max-width: 1600px;
            margin: 0 auto;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-red);
        }
        .container {
            width: 100%;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #1a3d6d 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--secondary-gold), #f8de7e);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: transparent;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .menu-toggle span {
            height: 3px;
            width: 25px;
            background: var(--secondary-gold);
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--secondary-gold);
            border-bottom-color: var(--secondary-gold);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            border-radius: 5px;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--primary-blue);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #6c757d;
        }
        .search-container {
            max-width: 800px;
            margin: 2.5rem auto;
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            border-left: 5px solid var(--accent-red);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--gray-border);
            border-radius: 8px;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(10, 35, 66, 0.1);
        }
        .search-btn {
            background: linear-gradient(to right, var(--primary-blue), #1a3d6d);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(to right, #1a3d6d, var(--primary-blue));
            transform: translateY(-2px);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 30px 20px;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        h1 {
            color: var(--primary-blue);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 3px solid var(--secondary-gold);
            padding-bottom: 20px;
        }
        h2 {
            color: var(--primary-blue);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-left: 15px;
            border-left: 5px solid var(--accent-red);
        }
        h3 {
            color: #2c5282;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #4a5568;
            font-size: 1.3rem;
            margin: 1.5rem 0 1rem;
            font-weight: 600;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 2.5rem;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--gray-border);
        }
        .update-time {
            color: var(--accent-red);
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.005);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(197, 165, 114, 0.15);
            border-left: 4px solid var(--secondary-gold);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border: 1px solid var(--gray-border);
            border-top: 4px solid var(--primary-blue);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-red);
            line-height: 1;
        }
        .stat-label {
            color: var(--primary-blue);
            font-weight: 600;
            margin-top: 10px;
        }
        .sidebar {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar-section {
            margin-bottom: 35px;
        }
        .sidebar h3 {
            color: var(--primary-blue);
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-gold);
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--gray-border);
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: var(--secondary-gold);
        }
        .rating-section,
        .comment-section {
            background: white;
            padding: 35px;
            border-radius: 15px;
            margin: 40px 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        .rating-form,
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 25px;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--primary-blue);
        }
        .form-control {
            padding: 15px;
            border: 2px solid var(--gray-border);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(10, 35, 66, 0.1);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--accent-red), #c53030);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
            min-width: 180px;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #c53030, var(--accent-red));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(158, 42, 43, 0.25);
        }
        footer {
            background: var(--primary-blue);
            color: white;
            padding: 50px 20px 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--secondary-gold);
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background: var(--accent-red);
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: #e2e8f0;
        }
        friend-link a:hover {
            color: var(--secondary-gold);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 20px;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                padding: 15px;
            }
            .featured-image {
                height: 300px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .rating-section,
            .comment-section {
                padding: 25px 20px;
            }
        }
        @media print {
            .main-nav,
            .search-container,
            .sidebar,
            .rating-section,
            .comment-section,
            footer {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }