body {
        margin: 0;
        font-family: Arial, sans-serif;
        background: #f5f7fb;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }

    .card {
        background: white;
        width: 350px;
        padding: 20px;
        border-radius: 12px;
        box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    }

    .card h1 {
        font-size: 20px;
        margin-bottom: 15px;
        color: #2c3e50;
        text-align: center;
    }

    ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    li {
        margin: 8px 0;
    }

    a {
        display: block;
        padding: 10px;
        text-decoration: none;
        color: #2980b9;
        background: #f0f6ff;
        border-radius: 8px;
        transition: 0.2s;
    }

    a:hover {
        background: #dcecff;
        transform: translateX(4px);
    }