* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        a { color: #1a73e8; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #0d47a1; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, #0c2461 0%, #1e3799 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9a00, #ffdb00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover { text-decoration: none; transform: scale(1.02); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            background-color: #f1f8ff;
            border-bottom: 1px solid #dbeafe;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #64748b;
        }
        .hero {
            background: linear-gradient(rgba(12, 36, 97, 0.9), rgba(30, 55, 153, 0.9)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        main { padding: 2rem 0; }
        article {
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            padding: 3rem;
            margin-bottom: 2rem;
        }
        h1, h2, h3, h4 {
            color: #0c2461;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; border-bottom: 3px solid #ff9a00; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid #1e3799; padding-left: 1rem; }
        h3 { font-size: 1.8rem; color: #374151; }
        h4 { font-size: 1.4rem; color: #4b5563; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .highlight {
            background-color: #fff9db;
            border-left: 4px solid #ffd43b;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        strong { color: #0c2461; }
        .interactive-module {
            background: #f8fafc;
            border: 2px dashed #cbd5e1;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            text-align: center;
        }
        .interactive-module h3 { margin-top: 0; }
        .module-form { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 1.5rem; }
        .module-form input, .module-form textarea, .module-form select {
            padding: 0.8rem 1rem;
            border: 1px solid #94a3b8;
            border-radius: 6px;
            font-size: 1rem;
            min-width: 250px;
            flex-grow: 1;
        }
        .module-form button {
            background: linear-gradient(90deg, #1e3799, #0c2461);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .module-form button:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(12, 36, 97, 0.3); }
        .game-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .game-link-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        .game-link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .site-footer {
            background: #0c2461;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffdb00;
            border-bottom: 2px solid #1e3799;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin: 0.3rem;
            color: #cbd5e1;
        }
        .friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e3799;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #0c2461;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul { display: flex; }
            .hero h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 2rem 1.5rem; }
            .module-form { flex-direction: column; }
            .module-form input, .module-form textarea, .module-form select { min-width: auto; }
        }