* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #0a1428;
            --primary-blue: #1a73e8;
            --accent-gold: #c89b3c;
            --accent-silver: #a0a0a0;
            --light-bg: #f5f5f5;
            --dark-text: #2d3748;
            --light-text: #e2e8f0;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { color: var(--accent-gold); font-weight: 600; }
        .section-padding { padding: 60px 0; }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary-blue), #0056b3);
            color: white;
            border: none;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(26, 115, 232, 0.3);
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #9c7c38);
        }
        .site-header {
            background-color: var(--primary-dark);
            color: var(--light-text);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            background: linear-gradient(90deg, #c89b3c, #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: var(--light-text);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                flex-direction: column;
                padding: 20px;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: var(--dark-text); }
        .hero {
            background: linear-gradient(rgba(10, 20, 40, 0.85), rgba(10, 20, 40, 0.9)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 20px;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .last-updated {
            font-style: italic;
            color: var(--accent-silver);
            margin-top: 20px;
            font-size: 0.9rem;
        }
        .main-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 20px 0 60px;
        }
        @media (max-width: 992px) {
            .main-content-wrapper { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--card-shadow);
        }
        .article-content h2 {
            color: var(--primary-dark);
            border-left: 5px solid var(--accent-gold);
            padding-left: 15px;
            margin: 40px 0 20px;
            font-size: 1.8rem;
        }
        .article-content h3 {
            color: var(--primary-blue);
            margin: 30px 0 15px;
            font-size: 1.4rem;
        }
        .article-content h4 {
            color: var(--dark-text);
            margin: 20px 0 10px;
            font-size: 1.1rem;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .figure-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -15px;
            margin-bottom: 30px;
        }
        .key-point {
            background: #f0f8ff;
            border-left: 4px solid var(--primary-blue);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-size: 1.1rem;
            font-style: italic;
            color: #555;
            border-left: 3px solid var(--accent-gold);
            padding-left: 20px;
            margin: 25px 0;
        }
        .related-links {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .related-links h4 { margin-top: 0; }
        .related-links ul { list-style: none; padding-left: 0; }
        .related-links li { margin-bottom: 10px; }
        .related-links a {
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-links a:hover { text-decoration: underline; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--card-shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            border-radius: 0 6px 6px 0;
            padding: 0 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #0056b3;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin-bottom: 15px;
        }
        .rating-widget .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget .star:hover,
        .rating-widget .star.active {
            color: var(--accent-gold);
        }
        .rating-result {
            text-align: center;
            font-weight: 600;
            margin-top: 10px;
            color: var(--dark-text);
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--light-text);
            padding: 50px 0 20px;
            margin-top: 40px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: var(--accent-gold) !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .article-content { padding: 25px; }
            .main-content-wrapper { gap: 25px; }
            .section-padding { padding: 40px 0; }
        }