* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f0f1a;
            color: #e0e0ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #6c9bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #0c0c1a 100%);
            padding: 1.2rem 0;
            border-bottom: 2px solid #2a2a4a;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ffcc00, #ff6b00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background-color: rgba(108, 155, 255, 0.1);
        }
        .search-container {
            margin-left: 2rem;
            flex: 0 1 300px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: 1px solid #444477;
            background-color: #1a1a2e;
            color: #fff;
            border-radius: 25px 0 0 25px;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(90deg, #444477, #2a2a4a);
            border: none;
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #555588, #3a3a5a);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1a1a2e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid #2a2a4a;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 1rem;
            border-bottom: 1px solid #2a2a4a;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #151525;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #6c9bff;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        article {
            background: linear-gradient(145deg, #1a1a2e, #151525);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #ffcc00, #ff9900);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: #ffcc00;
            border-left: 5px solid #6c9bff;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: #6c9bff;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.1);
            border-left: 4px solid #ffcc00;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .code-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .code-item {
            background: linear-gradient(135deg, #252540, #1a1a30);
            border: 1px solid #444477;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .code-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(255, 204, 0, 0.2);
            border-color: #ffcc00;
        }
        .code {
            font-family: monospace;
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 1rem 0;
            letter-spacing: 2px;
            font-weight: bold;
        }
        .reward {
            color: #90ee90;
            font-weight: 600;
        }
        .expiry {
            color: #ff9999;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        .feature-image {
            width: 100%;
            border-radius: 10px;
            margin: 2.5rem auto;
            border: 2px solid #444477;
        }
        .rating-section, .comment-section {
            background-color: #151525;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 600px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-start;
            gap: 0.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 1rem;
            background-color: #1a1a2e;
            border: 1px solid #444477;
            border-radius: 5px;
            color: #fff;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            align-self: flex-start;
            background: linear-gradient(90deg, #6c9bff, #4a7fff);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 25px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #4a7fff, #2a5fdf);
        }
        .longtail-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            padding: 3rem 0;
            background-color: #151525;
            border-top: 2px solid #2a2a4a;
        }
        .web-link {
            background-color: #1a1a2e;
            padding: 1rem 2rem;
            border-radius: 30px;
            border: 1px solid #444477;
            transition: all 0.3s;
        }
        .web-link:hover {
            background-color: #252540;
            border-color: #6c9bff;
            transform: scale(1.05);
        }
        footer {
            background-color: #0c0c1a;
            padding: 2rem 0;
            text-align: center;
            color: #aaaacc;
            border-top: 1px solid #2a2a4a;
        }
        .copyright {
            margin-top: 1.5rem;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .header-content {
                flex-wrap: wrap;
            }
            .search-container {
                order: 3;
                flex: 1 1 100%;
                margin: 1.5rem 0 0 0;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav, .search-container {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-nav.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .code-list {
                grid-template-columns: 1fr;
            }
            .code {
                font-size: 1.5rem;
            }
            article {
                padding: 1.5rem;
            }
            .longtail-links {
                flex-direction: column;
                align-items: center;
            }
            .web-link {
                width: 90%;
                text-align: center;
            }
        }