* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #003366;
            --secondary-gold: #D4AF37;
            --accent-green: #00843D;
            --light-bg: #f8f9fa;
            --dark-text: #222;
            --gray-text: #555;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: var(--dark-text);
            background-color: #fff;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-green);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #002244 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: var(--secondary-gold);
            text-decoration: none;
        }
        .logo i {
            color: var(--secondary-gold);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--secondary-gold);
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-gold);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--gray-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #999;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--gray-text);
            font-size: 0.9rem;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
        }
        h1 {
            color: var(--primary-blue);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--primary-blue);
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-gold);
        }
        h3 {
            color: #333;
            font-size: 1.4rem;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            color: #444;
            font-size: 1.1rem;
            margin: 1.5rem 0 0.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary-blue);
            background: #f0f8ff;
            padding: 1.2rem;
            border-left: 4px solid var(--accent-green);
            border-radius: 4px;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, #fffbcc 0%, #fffbcc 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid var(--secondary-gold);
            margin: 2rem 0;
        }
        .highlight h4 {
            margin-top: 0;
            color: #b8860b;
        }
        .img-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 8px;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .img-caption {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-top: 0.5rem;
            font-style: italic;
        }
        blockquote {
            font-style: italic;
            color: var(--gray-text);
            border-left: 4px solid var(--secondary-gold);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        ul, ol {
            margin: 1rem 0 1rem 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .keyword-link {
            font-weight: 600;
            color: var(--accent-green);
            border-bottom: 1px dotted var(--accent-green);
        }
        .keyword-link:hover {
            text-decoration: none;
            color: var(--primary-blue);
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: var(--primary-blue);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--accent-green);
        }
        .related-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .related-links a {
            display: block;
            color: var(--dark-text);
        }
        .related-links a:hover {
            color: var(--accent-green);
            padding-left: 5px;
        }
        .related-links i {
            margin-right: 8px;
            color: var(--secondary-gold);
        }
        .rating-widget, .comment-widget {
            margin-top: 3rem;
            border-top: 2px solid var(--border-color);
            padding-top: 2rem;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--secondary-gold);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
        }
        .btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn:hover {
            background: var(--accent-green);
            text-decoration: none;
        }
        .site-footer {
            background: var(--primary-blue);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo a {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
            display: inline-block;
        }
        .footer-links h4 {
            color: var(--secondary-gold);
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 6px;
            margin-top: 2rem;
        }
        friend-link h4 {
            color: var(--secondary-gold);
            margin-bottom: 1rem;
        }
        friend-link a {
            color: white;
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.5rem;
            background: rgba(255,255,255,0.1);
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
        }
        friend-link a:hover {
            background: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--primary-blue);
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .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: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }