* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f5f7fb;
    color: #333;
}

.container {
    width: 95%;
    max-width: 1100px;
    margin: auto;
}

.site-header {
    background: #111827;
    padding: 15px 0;
}

.site-header .logo a {
    color: #fff;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
}

.site-header nav {
    margin-top: 10px;
}

.site-header nav a {
    color: #c7d2fe;
    margin-right: 15px;
    text-decoration: none;
}

.site-header nav a:hover {
    color: #fff;
}

.site-footer {
    margin-top: 40px;
    padding: 20px 0;
    background: #111827;
    color: #c7d2fe;
    text-align: center;
}

.game-box {
    background: #fff;
    padding: 20px;
    margin-top: 30px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

button {
    padding: 10px 16px;
    border: none;
    background: #4f46e5;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #4338ca;
}