* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-red: #D72323;
            --primary-blue: #2A5CAA;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #222;
            --text-light: #f1f1f1;
            --accent-gold: #FFD700;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #16213e 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: var(--primary-red);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 0 #000;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent-gold);
            transform: scale(1.05);
        }
        .my-logo span {
            color: var(--primary-blue);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-links a:hover {
            background-color: var(--primary-red);
            color: white;
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: #6c757d;
        }
        .search-section {
            background: linear-gradient(to right, var(--primary-blue), #1e3a8a);
            padding: 2.5rem 0;
            margin: 2rem 0;
            border-radius: 12px;
            text-align: center;
            color: white;
        }
        .search-section h2 {
            margin-bottom: 1.5rem;
            font-size: 2rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-red);
            color: white;
            border: none;
            padding: 0 2rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-button:hover {
            background-color: #b91c1c;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-bottom: 2.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--primary-red);
            padding-bottom: 0.8rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ddd;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark-bg);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-blue);
            background: #e3f2fd;
            padding: 1.2rem;
            border-left: 5px solid var(--primary-blue);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .key-term {
            color: var(--primary-red);
            font-weight: 700;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .internal-links {
            background-color: #f0f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links h3 {
            margin-top: 0;
            color: var(--primary-blue);
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .internal-links li {
            margin-bottom: 0.5rem;
        }
        .internal-links a {
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.5rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .internal-links a:hover {
            background-color: #dbeafe;
            padding-left: 1rem;
        }
        .internal-links i {
            color: var(--primary-red);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            margin: 3rem 0;
        }
        @media (max-width: 768px) {
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        .rating-box, .comment-box {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .rating-box h3, .comment-box h3 {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--primary-blue);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            justify-content: center;
        }
        .star {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
            transform: scale(1.2);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #444;
        }
        .form-control {
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(42, 92, 170, 0.2);
        }
        .submit-btn {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.8rem;
        }
        .submit-btn:hover {
            background-color: #1e4a8a;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            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: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: var(--primary-red);
            margin-bottom: 1rem;
        }
        .footer-links h4, .friend-links h4 {
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul, friend-links {
            list-style: none;
        }
        .footer-links li, friend-links a {
            margin-bottom: 0.8rem;
        }
        .footer-links a, friend-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .footer-links a:hover, friend-links a:hover {
            color: white;
            padding-left: 0.5rem;
        }
        friend-links {
            display: block;
            background-color: #16213e;
            padding: 1.5rem;
            border-radius: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: 0.5s;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
                z-index: 999;
            }
            .nav-links.active {
                right: 0;
            }
            .nav-links a {
                justify-content: flex-start;
                padding: 1rem;
                border-radius: 8px;
            }
            .header-container {
                padding: 0 15px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: 0;
                padding: 1rem;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 1.5rem; }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .fade-in {
            animation: fadeIn 1s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }