* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #FF8C00;
            --primary-dark: #E67E00;
            --secondary: #1A1A2E;
            --accent: #00C2FF;
            --light: #F5F7FA;
            --dark: #16213E;
            --text: #333333;
            --text-light: #666666;
            --success: #28a745;
            --danger: #dc3545;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --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);
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: var(--box-shadow);
        }
        .section {
            padding: 80px 0;
        }
        .site-header {
            background-color: var(--secondary);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--accent);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        .breadcrumb {
            background-color: var(--dark);
            color: #ccc;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(rgba(22, 33, 62, 0.9), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #ddd;
        }
        .search-bar {
            max-width: 600px;
            margin: 40px auto;
            display: flex;
        }
        .search-bar input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-bar button {
            padding: 15px 25px;
            background-color: var(--accent);
            color: white;
            border: none;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
        }
        .search-bar button:hover {
            background-color: #00a8e0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        main article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--box-shadow);
        }
        article h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--secondary);
            border-bottom: 3px solid var(--primary);
            padding-bottom: 15px;
        }
        article h2 {
            font-size: 2rem;
            margin: 50px 0 20px;
            color: var(--dark);
            padding-left: 15px;
            border-left: 5px solid var(--accent);
        }
        article h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--secondary);
        }
        article h4 {
            font-size: 1.2rem;
            margin: 25px 0 10px;
            color: var(--text-light);
        }
        article p {
            margin-bottom: 20px;
            text-align: justify;
        }
        article emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            font-weight: 600;
        }
        .feature-img {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .internal-links {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            border: 1px dashed var(--accent);
        }
        .internal-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .internal-links a {
            color: var(--secondary);
            background-color: white;
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid #ddd;
            font-weight: 500;
        }
        .internal-links a:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        aside {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
            align-self: start;
        }
        aside h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            color: var(--secondary);
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .playlist-item {
            display: flex;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        .playlist-item i {
            color: var(--primary);
            margin-right: 15px;
            font-size: 1.2rem;
        }
        .rating-section, .comment-section {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px;
            margin-top: 40px;
            box-shadow: var(--box-shadow);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active {
            color: #FFD700;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group input, .form-group textarea {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .site-footer {
            background-color: var(--secondary);
            color: #ccc;
            padding: 60px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--border-radius);
            margin-top: 10px;
        }
        friend-link a {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background-color: var(--secondary);
                width: 100%;
                text-align: center;
                padding: 30px 0;
                gap: 20px;
                transition: left 0.5s ease;
            }
            .main-nav.active ul {
                left: 0;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            article {
                padding: 25px;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.7rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .header-container {
                padding: 15px;
            }
            .hero {
                padding: 70px 15px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .search-bar {
                flex-direction: column;
            }
            .search-bar input, .search-bar button {
                border-radius: var(--border-radius);
                margin-bottom: 10px;
            }
        }