* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #ea4335;
            --dark-bg: #0f1419;
            --medium-bg: #1e272e;
            --light-bg: #2d3748;
            --text-color: #f7fafc;
            --text-secondary: #a0aec0;
            --border-color: #4a5568;
            --hover-color: #4299e1;
            --transition-speed: 0.3s;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--dark-bg);
            padding-top: 80px;
        }
        header {
            background-color: var(--medium-bg);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #1a73e8, #34a853);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform var(--transition-speed);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .navbar {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            padding: 10px 15px;
            border-radius: 5px;
            transition: all var(--transition-speed);
            position: relative;
        }
        .nav-links a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: width var(--transition-speed);
        }
        .nav-links a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 15px 20px;
            margin-top: 80px;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            gap: 10px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb li {
            display: inline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        main {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            background-color: var(--medium-bg);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 30px;
            color: var(--primary-color);
            line-height: 1.2;
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 3px solid var(--border-color);
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--secondary-color);
            padding-left: 10px;
            border-left: 4px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--accent-color);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px;
            color: var(--text-color);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        strong {
            color: var(--primary-color);
            font-weight: 600;
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            transition: transform var(--transition-speed);
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .search-section {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            background-color: var(--dark-bg);
            color: var(--text-color);
            font-size: 1rem;
        }
        .search-form button {
            padding: 15px 30px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color var(--transition-speed);
        }
        .search-form button:hover {
            background-color: var(--hover-color);
        }
        .comments-section {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            background-color: var(--dark-bg);
            color: var(--text-color);
            font-size: 1rem;
            margin-bottom: 20px;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            padding: 12px 30px;
            background-color: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color var(--transition-speed);
        }
        .comment-form button:hover {
            background-color: #2e7d32;
        }
        .rating-section {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            text-align: center;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: var(--border-color);
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .rating-form button {
            padding: 12px 30px;
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color var(--transition-speed);
        }
        .rating-form button:hover {
            background-color: #c62828;
        }
        .sidebar {
            background-color: var(--medium-bg);
            padding: 30px;
            border-radius: 10px;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .quick-links {
            list-style: none;
            margin: 0;
        }
        .quick-links li {
            margin-bottom: 15px;
        }
        .quick-links a {
            color: var(--text-color);
            text-decoration: none;
            padding: 10px 15px;
            display: block;
            border-radius: 5px;
            transition: all var(--transition-speed);
            border-left: 3px solid transparent;
        }
        .quick-links a:hover {
            background-color: var(--light-bg);
            border-left-color: var(--primary-color);
            padding-left: 20px;
        }
        footer {
            background-color: var(--medium-bg);
            padding: 50px 20px 30px;
            margin-top: 60px;
            border-top: 3px solid var(--primary-color);
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        friend-link {
            display: block;
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        friend-link h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        friend-link ul {
            list-style: none;
            margin: 0;
        }
        friend-link li {
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-speed);
            padding: 5px 0;
            display: block;
        }
        friend-link a:hover {
            color: var(--primary-color);
            padding-left: 10px;
        }
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 40px;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background-color: var(--medium-bg);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 15px;
            }
            .content-area {
                padding: 25px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            body {
                padding-top: 70px;
            }
            .header-container {
                height: 70px;
            }
            .my-logo {
                font-size: 2rem;
            }
            .breadcrumb {
                padding: 10px 15px;
                margin-top: 70px;
            }
            .content-area {
                padding: 20px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-area {
            animation: fadeIn 0.5s ease-out;
        }
        .highlight {
            background-color: rgba(26, 115, 232, 0.1);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
            margin: 25px 0;
        }
        .download-box {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            margin: 40px 0;
            box-shadow: 0 5px 20px rgba(26, 115, 232, 0.3);
        }
        .download-btn {
            display: inline-block;
            padding: 15px 40px;
            background-color: white;
            color: var(--primary-color);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.2rem;
            margin-top: 20px;
            transition: all var(--transition-speed);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
            background-color: #f0f0f0;
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            background-color: var(--light-bg);
            border-radius: 8px;
            overflow: hidden;
        }
        .specs-table th, .specs-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        .specs-table th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        .specs-table tr:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }
        .code-block {
            background-color: var(--dark-bg);
            padding: 20px;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            margin: 20px 0;
            border-left: 4px solid var(--accent-color);
            overflow-x: auto;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .feature-card {
            background-color: var(--light-bg);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            transition: transform var(--transition-speed);
            border: 1px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-color);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .progress-bar {
            height: 10px;
            background-color: var(--border-color);
            border-radius: 5px;
            margin: 20px 0;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 5px;
            transition: width 1s ease-in-out;
        }