* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-dark: #1a1a2e;
            --primary-accent: #8a2be2;
            --secondary-accent: #ff9900;
            --text-light: #f0f0f0;
            --text-gray: #b0b0b0;
            --bg-card: #2d2d44;
            --bg-section: #252536;
            --success: #4CAF50;
            --warning: #ff9800;
            --border-radius: 10px;
            --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-light);
            background-color: var(--primary-dark);
            background-image: linear-gradient(to bottom, #0f0c29, #302b63, #24243e);
            background-attachment: fixed;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffcc66;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 40px 0;
        }
        .site-header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-accent);
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(45deg, #8a2be2, #ff9900);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .desktop-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background-color: var(--primary-accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-dark);
            border-top: 1px solid #444;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            color: var(--text-light);
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background-color: var(--bg-card);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: rgba(45, 45, 68, 0.6);
            border-bottom: 1px solid #444;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-gray);
        }
        .hero {
            text-align: center;
            padding: 60px 20px;
            background: radial-gradient(circle at center, #3a1c71, #1a1a2e);
            border-radius: var(--border-radius);
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, #ff9900, #8a2be2);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero-tag {
            display: inline-block;
            background-color: var(--warning);
            color: #000;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .last-updated {
            color: var(--text-gray);
            font-style: italic;
            margin-top: 20px;
            font-size: 0.95rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--bg-section);
            border-radius: var(--border-radius);
            padding: 35px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        }
        article h2 {
            color: var(--secondary-accent);
            border-left: 5px solid var(--primary-accent);
            padding-left: 15px;
            margin: 35px 0 20px;
            font-size: 2.2rem;
        }
        article h3 {
            color: #e0e0ff;
            margin: 30px 0 15px;
            font-size: 1.8rem;
        }
        article h4 {
            color: var(--text-gray);
            margin: 25px 0 10px;
            font-size: 1.5rem;
        }
        article p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            text-align: justify;
        }
        article em {
            color: #ffcc66;
            font-style: italic;
        }
        article strong {
            color: var(--secondary-accent);
            font-weight: bold;
        }
        .featured-image {
            width: 100%;
            border-radius: var(--border-radius);
            border: 3px solid var(--primary-accent);
            margin: 30px auto;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .code-box {
            background: linear-gradient(135deg, #2e2b4a, #1a1a2e);
            border: 2px dashed var(--success);
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 30px 0;
            text-align: center;
        }
        .code-box h3 {
            color: var(--success);
            margin-top: 0;
        }
        .promo-code {
            font-family: monospace;
            font-size: 2rem;
            letter-spacing: 3px;
            background-color: #000;
            color: #0f0;
            padding: 15px;
            border-radius: 8px;
            margin: 20px auto;
            display: inline-block;
            border: 1px solid #0f0;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary-accent), #5d00cc);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            margin: 10px;
        }
        .btn:hover {
            background: linear-gradient(to right, #9b42f5, var(--primary-accent));
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(138, 43, 226, 0.4);
            text-decoration: none;
        }
        .btn-copy {
            background: linear-gradient(to right, var(--warning), #cc7a00);
        }
        .btn-copy:hover {
            background: linear-gradient(to right, #ffad33, var(--warning));
        }
        .sidebar {
            background-color: var(--bg-section);
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: var(--secondary-accent);
            border-bottom: 2px solid var(--primary-accent);
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #444;
        }
        .sidebar a {
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar a:hover {
            color: var(--secondary-accent);
        }
        .sidebar i {
            color: var(--primary-accent);
        }
        .interactive-box {
            background-color: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 40px 0;
            border-left: 5px solid var(--warning);
        }
        .interactive-box h3 {
            margin-top: 0;
            color: var(--warning);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-gray);
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #555;
            background-color: #1a1a2e;
            color: var(--text-light);
            font-size: 1rem;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-accent);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .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: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--warning);
        }
        .star-rating input:checked ~ label {
            color: var(--warning);
        }
        .site-footer {
            background-color: #151522;
            padding: 50px 0 30px;
            margin-top: 60px;
            border-top: 3px solid var(--primary-accent);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            color: var(--secondary-accent);
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            padding: 12px 20px;
            background-color: #2a2a3e;
            margin-bottom: 10px;
            border-radius: 8px;
            color: var(--text-light);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: var(--primary-accent);
            color: white;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: var(--text-gray);
            font-size: 0.95rem;
        }
        .highlight {
            background-color: rgba(255, 153, 0, 0.15);
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--warning);
            margin: 25px 0;
        }
        .quote {
            font-style: italic;
            color: #a0a0ff;
            border-left: 4px solid var(--primary-accent);
            padding-left: 20px;
            margin: 25px 0;
        }
        .flex {
            display: flex;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        .text-center {
            text-align: center;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 10px 0;
            }
            article, .sidebar {
                padding: 25px 20px;
            }
            .main-content {
                gap: 30px;
            }
            article h2 {
                font-size: 1.9rem;
            }
            .promo-code {
                font-size: 1.6rem;
                padding: 12px;
            }
            .btn {
                padding: 12px 25px;
                font-size: 1rem;
            }
        }