* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #2d3748;
            --accent-color: #4299e1;
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --border-color: #e2e8f0;
            --success-color: #48bb78;
            --warning-color: #ed8936;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2rem;
            padding-bottom: 0.3rem;
            border-bottom: 1px solid var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background-color 0.3s;
            font-weight: 500;
        }
        nav a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        .content-area {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        aside {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        section {
            margin-bottom: 3rem;
        }
        .card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .info-box {
            background: var(--light-bg);
            border-left: 4px solid var(--accent-color);
            padding: 1rem;
            margin: 1.5rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 6px;
            margin: 1rem 0;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            text-align: center;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        th, td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--light-bg);
            font-weight: 600;
        }
        form {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
        }
        button, .btn {
            background-color: var(--accent-color);
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: background-color 0.3s;
            min-height: 44px;
            min-width: 44px;
        }
        button:hover, .btn:hover {
            background-color: #3182ce;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .star {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--warning-color);
        }
        .social-share {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .share-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .reddit { background-color: #ff4500; }
        .whatsapp { background-color: #25d366; }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 999;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        .update-info {
            background-color: #e6fffa;
            border: 1px solid #81e6d9;
            padding: 1rem;
            border-radius: 6px;
            margin: 1.5rem 0;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.5rem; }
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 1rem;
                top: 1rem;
            }
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-1 { gap: 1rem; }
        .hidden { display: none; }
        .game-highlight {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .download-box {
            background-color: #f0fff4;
            border: 2px dashed var(--success-color);
            padding: 2rem;
            text-align: center;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .skill-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .skill-card {
            background: white;
            border: 1px solid var(--border-color);
            padding: 1rem;
            border-radius: 6px;
            transition: transform 0.3s;
        }
        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }