:root {
            --primary: #0078D4;
            --secondary: #FF7A00;
            --dark: #0C0C0C;
            --light: #F2F2F2;
            --gray: #333;
            --light-gray: #888;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--dark);
            color: var(--light);
            line-height: 1.7;
            overflow-x: hidden;
            background-image: linear-gradient(to bottom, rgba(12, 12, 12, 0.9), rgba(20, 20, 40, 0.9));
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(12, 12, 12, 0.95);
            border-bottom: 2px solid var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 30px;
        }
        .nav-links a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            border-bottom-color: var(--secondary);
            text-decoration: none;
        }
        .search-box {
            display: flex;
            margin-left: 30px;
        }
        .search-box input {
            padding: 10px 15px;
            border: 1px solid var(--light-gray);
            background: var(--gray);
            color: var(--light);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            border-right: none;
            min-width: 200px;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--light);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--light-gray);
            border-bottom: 1px solid var(--gray);
        }
        .breadcrumb a {
            color: var(--light-gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: rgba(30, 30, 40, 0.7);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--light);
            line-height: 1.2;
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gray);
        }
        h3 {
            font-size: 1.7rem;
            margin: 30px 0 15px;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 10px;
            color: var(--light);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0,120,212,0.1), transparent);
            padding: 25px;
            border-left: 4px solid var(--primary);
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight strong {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 30px auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        img:hover {
            transform: translateY(-5px);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--light-gray);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        ul, ol {
            margin: 20px 0 20px 40px;
        }
        li {
            margin-bottom: 10px;
        }
        .interactive-box {
            background: var(--gray);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            border: 1px solid var(--primary);
        }
        .interactive-box h3 {
            margin-top: 0;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 15px 0;
        }
        .stars {
            color: gold;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .stars span:hover,
        .stars span:hover ~ span {
            color: lightgray;
        }
        .stars span.active {
            color: gold;
        }
        .comment-form,
        .rating-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            background: var(--dark);
            border: 1px solid var(--light-gray);
            color: var(--light);
            border-radius: var(--border-radius);
        }
        button[type="submit"] {
            background: linear-gradient(to right, var(--primary), #005a9e);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
            justify-self: start;
        }
        button[type="submit"]:hover {
            background: linear-gradient(to right, var(--secondary), #cc5500);
            transform: translateY(-2px);
        }
        footer {
            background-color: rgba(10, 10, 10, 0.95);
            border-top: 2px solid var(--gray);
            padding: 40px 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(--primary);
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px;
            background: rgba(255,255,255,0.05);
            border-radius: 4px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--gray);
            color: var(--light-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .nav-links { display: none; }
            .hamburger { display: block; }
            .search-box input { min-width: 150px; }
            .header-container { flex-wrap: wrap; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            article { padding: 25px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .footer-content { grid-template-columns: 1fr; }
            .search-box { margin-left: 0; margin-top: 15px; width: 100%; }
            .search-box input { flex-grow: 1; }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.8rem; }
            .highlight { padding: 15px; }
            .interactive-box { padding: 15px; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article {
            animation: fadeIn 0.8s ease-out;
        }
        .mobile-nav {
            display: none;
            width: 100%;
            background: var(--dark);
            border-top: 1px solid var(--gray);
            padding: 20px 0;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            margin: 0;
        }
        .mobile-nav li {
            margin: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 15px;
            border-bottom: 1px solid var(--gray);
        }
        .mobile-nav a:hover {
            background: var(--gray);
        }