body {
    font-family: Arial, sans-serif;
    background-color: #eef7ff;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

h1 {
    font-size: 2em;
    margin-bottom: 20px;
}

.intro {
    background-color: #ddeefa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.card {
    width: 260px;
    padding: 15px;
    border-radius: 10px;
    color: white;
}

.card h3 {
    margin-top: 0;
}

.grammar { background-color: #f56565; }
.vocabulary { background-color: #4299e1; }
.writing { background-color: #ecc94b; }
.assessment { background-color: #48bb78; }
.ai { background-color: #9f7aea; }
.speaking { background-color: #ed8936; }
.listening { background-color: #38b2ac; }