* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #00a8ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #4cd137;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #00a8ff;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00a8ff, #4cd137);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #4cd137;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00a8ff;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a1f2e;
            flex-direction: column;
            padding: 1rem;
            border-top: 1px solid #2c3e50;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
            background-color: #2c3e50;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .breadcrumb a {
            color: #95a5a6;
        }
        .breadcrumb a:hover {
            color: #00a8ff;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: #1a1f2e;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #00a8ff;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: #4cd137;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2c3e50;
        }
        h3 {
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
            color: #fbc531;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0, 168, 255, 0.1), rgba(76, 209, 55, 0.1));
            border-left: 4px solid #00a8ff;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .code-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .code-card {
            background: linear-gradient(145deg, #2c3e50, #1a1f2e);
            border: 2px dashed #00a8ff;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .code-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 168, 255, 0.2);
            border-style: solid;
        }
        .code-value {
            font-family: monospace;
            font-size: 1.8rem;
            font-weight: bold;
            color: #fbc531;
            letter-spacing: 2px;
            margin: 1rem 0;
            padding: 0.5rem;
            background-color: rgba(0, 0, 0, 0.3);
            border-radius: 5px;
        }
        .reward {
            color: #4cd137;
            font-weight: bold;
        }
        .expiry {
            color: #e84118;
            font-size: 0.9rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            border: 2px solid #2c3e50;
        }
        .interactive-section {
            background-color: #2c3e50;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 1rem;
            border-radius: 8px;
            border: 1px solid #4cd137;
            background-color: #1a1f2e;
            color: #e0e0e0;
            font-size: 1rem;
        }
        button {
            padding: 1rem 2rem;
            background: linear-gradient(90deg, #00a8ff, #4cd137);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        button:hover {
            transform: scale(1.03);
            box-shadow: 0 5px 15px rgba(76, 209, 55, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            margin: 1rem 0;
            color: #fbc531;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: #2c3e50;
            padding: 1.2rem;
            border-radius: 8px;
            text-align: center;
            transition: background-color 0.3s ease;
        }
        .web-link:hover {
            background-color: #00a8ff;
        }
        .web-link a {
            color: #e0e0e0;
            font-weight: 600;
        }
        footer {
            text-align: center;
            padding: 2rem 0;
            border-top: 1px solid #2c3e50;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            .code-grid { grid-template-columns: 1fr; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
        }