* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #1a237e;
            --primary-main: #283593;
            --primary-light: #5c6bc0;
            --accent-gold: #ffb300;
            --accent-silver: #b0bec5;
            --text-dark: #2c3e50;
            --text-light: #546e7a;
            --bg-light: #f5f7fa;
            --bg-section: #ffffff;
            --border-color: #e1e8ed;
            --success: #4caf50;
            --warning: #ff9800;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 18px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        a {
            color: var(--primary-main);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
        }
        button, input, textarea, select {
            font: inherit;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 12px 16px;
            transition: var(--transition);
        }
        button {
            background-color: var(--primary-main);
            color: white;
            border: none;
            cursor: pointer;
            font-weight: 600;
        }
        button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-main));
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fff, var(--accent-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--accent-gold);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-gold);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--bg-section);
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-main);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(40, 53, 147, 0.9)), url('https://images.unsplash.com/photo-1534423861386-85a16f5d13fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 80px 20px;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
        }
        .hero-section h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        .hero-section p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        .hero-cta {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .search-container {
            max-width: 700px;
            margin: 30px auto 50px;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-form input {
            flex: 1;
            padding: 20px 25px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
        }
        .search-form button {
            border-radius: 0 50px 50px 0;
            padding: 0 35px;
            font-size: 1.2rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0 60px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-section);
            padding: 40px;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--accent-gold);
        }
        .article-content h2 {
            font-size: 2.2rem;
            color: var(--primary-main);
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin: 40px 0 20px;
        }
        .article-content h4 {
            font-size: 1.5rem;
            color: var(--text-light);
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content ul, .article-content ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .highlight {
            background-color: #fffde7;
            border-left: 5px solid var(--accent-gold);
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .internal-link {
            color: var(--primary-dark);
            font-weight: 600;
            border-bottom: 2px dotted var(--primary-light);
        }
        .internal-link:hover {
            border-bottom: 2px solid var(--accent-gold);
        }
        .image-container {
            margin: 40px auto;
            text-align: center;
        }
        .image-container img {
            box-shadow: var(--shadow);
            max-width: 900px;
            margin: 0 auto;
        }
        .image-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .last-updated {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            margin: 40px 0;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .last-updated i {
            margin-right: 10px;
            color: var(--success);
        }
        .sidebar {
            background-color: var(--bg-section);
            padding: 30px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 40px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: var(--primary-main);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .quick-nav ul {
            list-style: none;
        }
        .quick-nav li {
            margin-bottom: 12px;
        }
        .quick-nav a {
            display: block;
            padding: 12px 15px;
            background-color: var(--bg-light);
            border-radius: 8px;
            color: var(--text-dark);
            border-left: 4px solid transparent;
        }
        .quick-nav a:hover {
            background-color: var(--primary-light);
            color: white;
            border-left-color: var(--accent-gold);
            transform: translateX(5px);
        }
        .rating-form, .comment-form {
            background-color: var(--bg-light);
            padding: 25px;
            border-radius: 10px;
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
            justify-content: center;
        }
        .star {
            font-size: 2rem;
            color: var(--accent-silver);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--accent-gold);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--accent-gold);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-widget h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary-light);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin: 10px 0;
            border-left: 4px solid var(--accent-gold);
        }
        friend-link a {
            color: #fff;
            font-weight: 600;
        }
        friend-link a:hover {
            color: var(--accent-gold);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                gap: 0;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            .main-nav.active ul {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav li {
                width: 100%;
                text-align: center;
            }
            .main-nav a {
                display: block;
                padding: 18px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav a::after {
                display: none;
            }
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section p {
                font-size: 1.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.9rem;
            }
            .article-content h3 {
                font-size: 1.6rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-container, .rating-form, .comment-form, .breadcrumb {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            body {
                font-size: 12pt;
                line-height: 1.5;
            }
        }