* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
            color: #f0f0f0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #4dabf7;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #339af0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 60px 0;
        }
        .hidden {
            display: none !important;
        }
        header {
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #339af0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(to right, #339af0, #22b8cf);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #ff6b6b;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: #ddd;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background: rgba(51, 154, 240, 0.2);
            color: #339af0;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ddd;
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: rgba(10, 10, 20, 0.98);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: #ddd;
            display: block;
            padding: 12px;
            border-bottom: 1px solid #333;
        }
        .mobile-nav a:hover {
            color: #339af0;
            background: rgba(51, 154, 240, 0.1);
        }
        .breadcrumb {
            padding: 15px 20px;
            background: rgba(30, 30, 46, 0.8);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #339af0;
        }
        .breadcrumb span {
            color: #777;
            margin: 0 8px;
        }
        .search-section {
            background: rgba(40, 40, 60, 0.6);
            padding: 30px;
            border-radius: 15px;
            margin: 30px auto;
            max-width: 800px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .search-section h2 {
            text-align: center;
            margin-bottom: 20px;
            color: #22b8cf;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 8px 0 0 8px;
            background: #1a1a2e;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(to right, #339af0, #22b8cf);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: opacity 0.3s;
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        main {
            padding: 20px;
        }
        .article-header {
            text-align: center;
            padding: 40px 20px;
            background: linear-gradient(rgba(30, 30, 46, 0.9), rgba(10, 10, 20, 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;
            border-radius: 15px;
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #4dabf7;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        }
        .article-header p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
            color: #ccc;
        }
        .content-section {
            background: rgba(30, 30, 46, 0.7);
            padding: 40px;
            border-radius: 15px;
            margin-bottom: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border-left: 5px solid #339af0;
        }
        .content-section h2 {
            color: #ff6b6b;
            margin-bottom: 25px;
            font-size: 2rem;
            border-bottom: 2px solid #444;
            padding-bottom: 10px;
        }
        .content-section h3 {
            color: #22b8cf;
            margin: 25px 0 15px;
            font-size: 1.6rem;
        }
        .content-section p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: #e0e0e0;
            text-align: justify;
        }
        .content-section ul, .content-section ol {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        .content-section li {
            margin-bottom: 10px;
            color: #ddd;
        }
        .highlight {
            background: rgba(51, 154, 240, 0.15);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #339af0;
            margin: 25px 0;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .feature-card {
            background: rgba(40, 40, 60, 0.8);
            padding: 20px;
            border-radius: 10px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: #ff6b6b;
            margin-bottom: 15px;
        }
        .feature-card h4 {
            color: #22b8cf;
            margin-bottom: 10px;
        }
        .image-container {
            margin: 40px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 3px solid #444;
        }
        .image-caption {
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .download-cta {
            text-align: center;
            background: linear-gradient(to right, #1a1a2e, #16213e);
            padding: 50px;
            border-radius: 15px;
            margin: 50px 0;
            border: 2px dashed #339af0;
        }
        .download-cta h2 {
            color: #ff6b6b;
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        .download-cta p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .download-btn {
            display: inline-block;
            background: linear-gradient(to right, #ff6b6b, #ff8e8e);
            color: white;
            padding: 18px 45px;
            font-size: 1.3rem;
            font-weight: bold;
            border-radius: 50px;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
        }
        .download-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(255, 107, 107, 0.6);
        }
        .interaction-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .comment-box, .rating-box {
            background: rgba(40, 40, 60, 0.8);
            padding: 30px;
            border-radius: 15px;
        }
        .comment-box h3, .rating-box h3 {
            color: #22b8cf;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form textarea, .comment-form input, .rating-form select {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            background: #1a1a2e;
            border: 1px solid #444;
            border-radius: 8px;
            color: #f0f0f0;
            font-size: 1rem;
        }
        .comment-form button, .rating-form button {
            background: linear-gradient(to right, #339af0, #22b8cf);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: opacity 0.3s;
        }
        .comment-form button:hover, .rating-form button:hover {
            opacity: 0.9;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .stars i {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars i.active {
            color: #ffd700;
        }
        .footer-links {
            background: rgba(20, 20, 35, 0.9);
            padding: 40px 20px;
            margin-top: 60px;
        }
        .footer-links h3 {
            text-align: center;
            color: #ff6b6b;
            margin-bottom: 30px;
            font-size: 1.8rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .web-link {
            background: rgba(40, 40, 60, 0.6);
            padding: 15px;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: rgba(51, 154, 240, 0.2);
        }
        .web-link a {
            color: #ddd;
            font-size: 0.95rem;
            display: block;
        }
        .web-link a:hover {
            color: #339af0;
        }
        footer {
            background: #0c0c0c;
            padding: 40px 20px;
            text-align: center;
            border-top: 2px solid #339af0;
        }
        .footer-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .footer-content p {
            color: #aaa;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 20px 0;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: #333;
            border-radius: 50%;
            color: #ddd;
            font-size: 1.2rem;
            transition: all 0.3s;
        }
        .social-links a:hover {
            background: #339af0;
            color: white;
            transform: rotate(15deg);
        }
        @media (max-width: 992px) {
            .article-header h1 {
                font-size: 2.2rem;
            }
            .content-section h2 {
                font-size: 1.8rem;
            }
            .feature-list {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .content-section {
                padding: 25px;
            }
            .interaction-section {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .section {
                padding: 40px 0;
            }
            .article-header {
                padding: 30px 15px;
            }
            .download-cta h2 {
                font-size: 1.8rem;
            }
            .download-btn {
                padding: 15px 30px;
                font-size: 1.1rem;
            }
        }