* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #202122;
            background-color: #f6f6f6;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #3366cc; text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: #2a4b8d; text-decoration: underline; }
        button, input, textarea { font-family: inherit; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background-color: #f8f9fa;
            border-bottom: 1px solid #a2a9b1;
            padding: 1rem 0;
            margin-bottom: 1.5rem;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #202122;
        }
        .my-logo a { color: inherit; text-decoration: none; }
        .my-logo a:hover { text-decoration: none; color: #3366cc; }
        .main-nav ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            font-weight: 500;
            padding: 0.5rem 0;
            font-size: 0.95rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #202122;
            padding: 0.5rem;
            min-width: 44px;
            min-height: 44px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        main { background: #fff; padding: 2rem; border-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
        aside { background: #f8f9fa; padding: 1.5rem; border-radius: 4px; border: 1px solid #a2a9b1; }
        h1 { font-size: 1.9rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid #a2a9b1; color: #000; }
        h2 { font-size: 1.5rem; margin: 2rem 0 1rem; color: #000; border-bottom: 1px solid #eaecf0; padding-bottom: 0.3rem; }
        h3 { font-size: 1.2rem; margin: 1.5rem 0 0.8rem; color: #54595d; }
        h4 { font-size: 1.1rem; margin: 1.2rem 0 0.6rem; color: #54595d; }
        p, li { margin-bottom: 1rem; font-size: 0.95rem; }
        ul, ol { padding-left: 2rem; margin-bottom: 1rem; }
        .lead { font-size: 1.1rem; color: #555; font-weight: 400; margin-bottom: 1.5rem; }
        .bold { font-weight: 700; }
        .note-box {
            background-color: #e6f3ff;
            border-left: 4px solid #3366cc;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 2px;
        }
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .info-card {
            background: #f8f9fa;
            border: 1px solid #d0d7de;
            padding: 1.2rem;
            border-radius: 4px;
        }
        .game-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .game-table th, .game-table td {
            border: 1px solid #a2a9b1;
            padding: 0.8rem;
            text-align: left;
        }
        .game-table th { background-color: #eaecf0; }
        .img-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #54595d;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .module {
            background: #f8f9fa;
            border: 1px solid #a2a9b1;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border-radius: 4px;
        }
        .module h3 { margin-top: 0; }
        .form-group { margin-bottom: 1rem; }
        label { display: block; margin-bottom: 0.3rem; font-weight: 500; }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #a2a9b1;
            border-radius: 4px;
            font-size: 0.95rem;
        }
        textarea { min-height: 120px; resize: vertical; }
        .btn {
            display: inline-block;
            background-color: #3366cc;
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            min-width: 44px;
            min-height: 44px;
            transition: background-color 0.2s;
        }
        .btn:hover { background-color: #2a4b8d; color: white; text-decoration: none; }
        .btn-small { padding: 0.5rem 1rem; font-size: 0.9rem; }
        .btn-outline { background: transparent; border: 2px solid #3366cc; color: #3366cc; }
        .btn-outline:hover { background-color: #3366cc; color: white; }
        .stars { color: #ffc107; font-size: 1.2rem; margin: 0.5rem 0; cursor: pointer; }
        .star:hover { transform: scale(1.2); }
        .social-share { display: flex; gap: 0.75rem; margin: 1.5rem 0; flex-wrap: wrap; }
        .social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
        }
        .fb { background-color: #1877f2; }
        .tw { background-color: #1da1f2; }
        .rd { background-color: #ff4500; }
        .wa { background-color: #25d366; }
        .social-btn:hover { color: white; transform: translateY(-2px); }
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #3366cc;
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            font-size: 1.2rem;
            cursor: pointer;
            display: none;
            z-index: 99;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        #backToTop:hover { background-color: #2a4b8d; }
        site-footer {
            background-color: #f8f9fa;
            border-top: 1px solid #a2a9b1;
            padding: 2rem 0;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: #54595d;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
            justify-content: center;
        }
        friend-link { display: block; margin-bottom: 0.5rem; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #eaecf0; }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            body { padding: 0 10px; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; }
            .main-nav ul { flex-direction: column; gap: 0; display: none; }
            .main-nav.active ul { display: flex; }
            .main-nav li { border-bottom: 1px solid #eaecf0; }
            .main-nav a { display: block; padding: 0.75rem 0; }
            .nav-toggle { display: block; }
            main, aside { padding: 1.5rem; }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .info-grid { grid-template-columns: 1fr; }
        }