* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #1a73e8;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d47a1;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0c2461, #1e3799);
            color: white;
            padding: 1rem 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;
        }
        .logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffd32a;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .desktop-nav a {
            color: #e0e0e0;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: #ffd32a;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffd32a;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            text-align: center;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .mobile-nav a {
            color: #e0e0e0;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 0.5rem;
            display: block;
        }
        .mobile-nav a:hover {
            color: #ffd32a;
            background: rgba(255,255,255,0.05);
        }
        .breadcrumb {
            background: #e8eaf6;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            color: #1a237e;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #888;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
            border-bottom: 2px solid #e0e0e0;
            padding-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta span i {
            margin-right: 5px;
            color: #1a73e8;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content h2 {
            font-size: 2rem;
            color: #0c2461;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #ccc;
        }
        .article-content h3 {
            font-size: 1.5rem;
            color: #1a237e;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content strong {
            color: #0c2461;
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 5px solid #1a73e8;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            margin: 2.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f5f5f5;
        }
        .related-links {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h4 {
            color: #0c2461;
            margin-bottom: 1rem;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .related-links li a {
            display: block;
            padding: 0.6rem;
            background: white;
            border-radius: 5px;
            border: 1px solid #d1e3ff;
            transition: all 0.3s;
        }
        .related-links li a:hover {
            background: #1a73e8;
            color: white;
            transform: translateY(-3px);
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd32a;
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-form button, .comment-form button, .rating-form button {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(to right, #1a73e8, #0c2461);
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover, .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(to right, #0c2461, #1a73e8);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star-rating i {
            color: #ffd32a;
            font-size: 1.5rem;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        footer {
            background: #1a237e;
            color: #e0e0e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4, friend-link h4 {
            color: #ffd32a;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul, friend-link ul {
            list-style: none;
        }
        .footer-links li, friend-link li {
            margin-bottom: 0.7rem;
        }
        .footer-links a, friend-link a {
            color: #bbdefb;
        }
        .footer-links a:hover, friend-link a:hover {
            color: #ffd32a;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #9fa8da;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
                align-items: center;
            }
            .sidebar-widget {
                padding: 1.2rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }
        .highlight-box:hover {
            transform: translateX(5px);
            transition: transform 0.3s ease;
        }
        .sidebar-widget:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: box-shadow 0.3s ease;
        }