* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.8;
            padding-bottom: 50px;
        }
        header {
            background-color: #0a4da2;
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: all 0.3s ease;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ffcc00;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 30px;
        }
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 5px 0;
            position: relative;
        }
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #ffcc00;
            transition: width 0.3s;
        }
        nav ul li a:hover:after {
            width: 100%;
        }
        nav ul li a:hover {
            color: #ffcc00;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        h1 {
            color: #0a4da2;
            margin: 30px 0;
            font-size: 2.5rem;
            text-align: center;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
            line-height: 1.3;
        }
        h2 {
            color: #0a4da2;
            margin: 40px 0 20px;
            font-size: 2rem;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 10px;
            line-height: 1.3;
        }
        h3 {
            color: #0a4da2;
            margin: 30px 0 15px;
            font-size: 1.5rem;
            line-height: 1.3;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            font-weight: bold;
            color: #0a4da2;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: #ff3300;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            margin: 10px 5px;
            transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .btn:hover {
            background-color: #cc2900;
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0,0,0,0.15);
        }
        .btn-download {
            background-color: #28a745;
        }
        .btn-download:hover {
            background-color: #218838;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            border: 5px solid white;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        ul {
            margin: 20px 0 20px 40px;
        }
        li {
            margin-bottom: 10px;
            text-align: justify;
        }
        .tips-box {
            background-color: #e8f4f8;
            border-left: 5px solid #0a4da2;
            padding: 20px;
            margin: 30px 0;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        .stats-box {
            background-color: #fff3cd;
            border-left: 5px solid #ffc107;
            padding: 20px;
            margin: 30px 0;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        footer {
            background-color: #343a40;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .game-types {
            margin: 30px 0;
        }
        .game-types h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #ffcc00;
        }
        .game-types a {
            color: #ddd;
            text-decoration: none;
            margin-right: 15px;
            display: inline-block;
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        .game-types a:hover {
            color: #ffcc00;
        }
        .tags {
            margin: 30px 0;
        }
        .tags h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #ffcc00;
        }
        .tags a {
            color: #ddd;
            text-decoration: none;
            background-color: #495057;
            padding: 5px 10px;
            border-radius: 20px;
            margin-right: 10px;
            margin-bottom: 10px;
            display: inline-block;
            transition: all 0.3s;
        }
        .tags a:hover {
            background-color: #0a4da2;
            color: white;
            transform: translateY(-2px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            margin-top: 30px;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #bbb;
        }
        .recommendation {
            margin: 30px 0;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 5px;
            color: #333;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
        }
        .recommendation a {
            color: #0a4da2;
            font-weight: bold;
            text-decoration: none;
        }
        .recommendation a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                margin-top: 15px;
                width: 100%;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 10px 0;
                text-align: left;
            }
            .mobile-menu-btn {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            h1 {
                font-size: 2rem;
                text-align: left;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            p {
                text-align: left;
                font-size: 1rem;
            }
            li {
                text-align: left;
            }
            .btn {
                display: block;
                text-align: center;
                margin: 10px auto;
                width: 90%;
            }
        }