:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #1a252f;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        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: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary-color);
            color: white;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--box-shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            min-height: 44px;
            min-width: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        nav a:hover, nav a.active {
            background: var(--secondary-color);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
            min-height: 44px;
            min-width: 44px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem auto;
            max-width: 1200px;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            height: fit-content;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-color);
        }
        h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.75rem;
        }
        h4 {
            color: var(--accent-color);
            font-size: 1.2rem;
            margin: 1.25rem 0 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            line-height: 1.8;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .game-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--box-shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 1.5rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: white;
            box-shadow: var(--box-shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        th {
            background: var(--primary-color);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--light-color);
        }
        tr:hover {
            background-color: #f5f7fa;
        }
        form {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }
        button {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            min-height: 44px;
            min-width: 44px;
        }
        button:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        .card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--box-shadow);
            border-left: 4px solid var(--secondary-color);
        }
        .rating {
            display: flex;
            gap: 0.25rem;
            margin: 1rem 0;
        }
        .rating i {
            color: #f1c40f;
            font-size: 1.2rem;
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
        }
        .social-btn {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: var(--border-radius);
            text-decoration: none;
            color: white;
            font-weight: 600;
            transition: var(--transition);
        }
        .facebook { background: #3b5998; }
        .twitter { background: #1da1f2; }
        .reddit { background: #ff4500; }
        .social-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0.8;
            transition: var(--transition);
            z-index: 100;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-5px);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2c3e50;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.5rem;
            background: #34495e;
            border-radius: var(--border-radius);
        }
        friend-link a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        .update-log {
            background: #e8f4fc;
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: var(--border-radius);
        }
        .update-item {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #bdc3c7;
        }
        .update-item:last-child {
            border-bottom: none;
        }
        .search-box {
            margin: 2rem 0;
            position: relative;
        }
        .search-box input {
            padding-right: 50px;
        }
        .search-box button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            padding: 0.5rem 1rem;
            min-width: auto;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .social-share {
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            body {
                padding: 0 15px;
            }
            article, aside {
                padding: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.5rem;
            }
            .back-to-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
            }
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-accent { color: var(--accent-color); }
        .bg-light { background: var(--light-color); }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .p-2 { padding: 2rem; }
        .highlight {
            background: #fffacd;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
        }
        .skill-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .skill-card {
            background: white;
            border: 2px solid #e0e0e0;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .skill-card:hover {
            border-color: var(--secondary-color);
            transform: translateY(-5px);
            box-shadow: var(--box-shadow);
        }
        .faq-item {
            margin-bottom: 1.5rem;
            border: 1px solid #e0e0e0;
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .faq-question {
            background: #f8f9fa;
            padding: 1rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            padding: 1.5rem;
            border-top: 1px solid #e0e0e0;
        }
        .download-btn {
            display: inline-block;
            background: linear-gradient(135deg, #3498db, #2c3e50);
            color: white;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            margin: 1rem 0;
            transition: var(--transition);
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
        }
        .version-comparison {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .version-card {
            background: white;
            border: 2px solid;
            border-radius: var(--border-radius);
            padding: 1.5rem;
        }
        .version-card.current {
            border-color: var(--secondary-color);
            position: relative;
        }
        .version-card.current::before {
            content: "Current";
            position: absolute;
            top: -10px;
            left: 20px;
            background: var(--secondary-color);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        .tip-box {
            background: #e8f6f3;
            border-left: 4px solid #1abc9c;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }
        .warning-box {
            background: #fdebd0;
            border-left: 4px solid #f39c12;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }
        .content-warning {
            background: #f2dede;
            border-left: 4px solid #c0392b;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }