:root {
            --primary-blue: #00529f;
            --primary-dark: #0a1f3d;
            --accent-gold: #d4af37;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #666;
            --border-color: #e0e0e0;
            --success: #28a745;
            --warning: #ffc107;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --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: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to right, var(--primary-dark), var(--primary-blue));
            color: white;
            padding: 1.2rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo i {
            color: var(--accent-gold);
        }
        .my-logo:hover {
            color: var(--accent-gold);
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 8px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
            align-items: center;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 4px;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 30px;
            padding: 8px 16px;
            margin-left: 20px;
        }
        .search-box input {
            background: transparent;
            border: none;
            color: white;
            padding: 6px 10px;
            width: 200px;
            outline: none;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .search-box button {
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 40px 0;
        }
        .article-content {
            background: white;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-header {
            padding: 2.5rem 2.5rem 1.5rem;
            border-bottom: 3px solid var(--accent-gold);
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            color: var(--primary-dark);
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }
        .meta-info span i {
            margin-right: 6px;
            color: var(--primary-blue);
        }
        .article-body {
            padding: 2.5rem;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--primary-dark);
            margin: 2rem 0 1rem;
        }
        .article-body h4 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.8rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-body em {
            color: var(--text-light);
        }
        .intro-text {
            font-size: 1.25rem;
            background-color: var(--light-bg);
            padding: 1.8rem;
            border-left: 5px solid var(--accent-gold);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .data-table th {
            background-color: var(--primary-blue);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .data-table tr:nth-child(even) {
            background-color: var(--light-bg);
        }
        .data-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .data-table tr:hover {
            background-color: rgba(0, 82, 159, 0.05);
        }
        .highlight-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-left: 5px solid var(--success);
            padding: 1.8rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            list-style: none;
            margin: 1.5rem 0;
        }
        .link-list a {
            background-color: var(--light-bg);
            color: var(--primary-blue);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .link-list a:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: 8px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-gold);
        }
        .rating-widget .stars {
            display: flex;
            gap: 8px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ddd;
        }
        .stars .active {
            color: var(--warning);
        }
        .rating-form input,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-family: inherit;
        }
        .rating-form button,
        .comment-form button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background-color: var(--primary-dark);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 2.5rem;
        }
        .footer-links h4 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--accent-gold);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 4px solid var(--accent-gold);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                order: 3;
                width: 100%;
                margin-top: 20px;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 0;
                align-items: flex-start;
                width: 100%;
            }
            .nav-links li {
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-links a {
                display: block;
                padding: 15px 0;
                width: 100%;
            }
            .search-box {
                margin-left: 0;
                margin-top: 15px;
                width: 100%;
            }
            .search-box input {
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }