* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        body {
            background-color: #f5f2ea;
            color: #2d2d2d;
            line-height: 1.8;
            padding-bottom: 60px;
        }
        .header {
            background-color: #1a365d;
            padding: 18px 20px;
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .logo {
            font-size: 1.9rem;
            font-weight: bold;
            color: #ffdd00;
            text-decoration: none;
            display: inline-block;
            margin-bottom: 10px;
        }
        .nav {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
        }
        .nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            padding: 5px 0;
            transition: color 0.3s;
        }
        .nav a:hover {
            color: #ffdd00;
        }
        .mobile-nav-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            position: absolute;
            right: 20px;
            top: 20px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 25px 20px;
        }
        h1 {
            color: #1a365d;
            margin: 30px 0 25px;
            font-size: 2.4rem;
            text-align: center;
            line-height: 1.3;
        }
        h2 {
            color: #2c5282;
            margin: 40px 0 20px;
            font-size: 1.9rem;
            border-bottom: 3px solid #2c5282;
            padding-bottom: 8px;
        }
        h3 {
            color: #e53e3e;
            margin: 30px 0 15px;
            font-size: 1.5rem;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            line-height: 1.8;
        }
        .btn {
            display: inline-block;
            padding: 14px 28px;
            background-color: #38a169;
            color: white;
            text-decoration: none;
            border-radius: 6px;
            font-weight: bold;
            margin: 15px 8px;
            transition: all 0.3s;
            font-size: 1.1rem;
        }
        .btn:hover {
            background-color: #2f855a;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .btn-login {
            background-color: #3182ce;
        }
        .btn-login:hover {
            background-color: #2b6cb0;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .game-image {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .highlight {
            font-weight: bold;
            color: #c53030;
            text-decoration: none;
        }
        .tag {
            display: inline-block;
            background-color: #f6ad55;
            color: #2d3748;
            padding: 6px 14px;
            border-radius: 20px;
            margin: 8px 6px;
            text-decoration: none;
            font-size: 0.95rem;
            transition: background-color 0.3s;
        }
        .tag:hover {
            background-color: #ed8936;
        }
        .game-type {
            display: inline-block;
            margin: 12px 8px;
            text-decoration: none;
            color: #2c5282;
            font-weight: 600;
            font-size: 1.05rem;
        }
        .game-type:hover {
            text-decoration: underline;
        }
        .footer {
            background-color: #1a365d;
            color: #e2e8f0;
            padding: 40px 20px;
            margin-top: 60px;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-section {
            margin-bottom: 30px;
        }
        .copyright {
            margin-top: 40px;
            text-align: center;
            font-size: 0.95rem;
            opacity: 0.8;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .key-point {
            background-color: #fff8e1;
            border-left: 4px solid #ecc94b;
            padding: 15px 20px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        @media (max-width: 768px) {
            .mobile-nav-btn {
                display: block;
            }
            .nav {
                display: none;
                flex-direction: column;
                gap: 15px;
                margin-top: 20px;
            }
            .nav.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
                margin: 20px 0;
            }
            h2 {
                font-size: 1.6rem;
                margin: 30px 0 15px;
            }
            h3 {
                font-size: 1.3rem;
                margin: 25px 0 12px;
            }
            p {
                font-size: 1.05rem;
                margin-bottom: 18px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 1rem;
                margin: 10px 5px;
                display: block;
                text-align: center;
            }
            .image-container {
                margin: 20px 0;
            }
        }