.rules-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.rules-card {
    background: #ffffff;
    max-width: 720px;
    width: 100%;
    border-radius: 20px;
    padding: 36px 42px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.rules-card h1 {
    text-align: center;
    margin-bottom: 26px;
    font-size: 28px;
    color: #2c3e50;
}

.rules-list {
    list-style: none;
}

.rules-list > li {
    margin-bottom: 14px;
    line-height: 1.7;
    font-size: 15.5px;
    color: #333;
}

.sub-list {
    margin-top: 8px;
    margin-left: 20px;
}

.sub-list li {
    font-size: 14px;
    color: #555;
    margin-bottom: 4px;
}

.money {
    color: #e67e22;
    font-weight: 700;
}

.wrong {
    color: #e74c3c;
    font-weight: 600;
}

.note {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #777;
    font-style: italic;
}

.actions {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    padding: 12px 26px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: 0.25s ease;
}

.btn-primary {
    background: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-outline {
    border: 2px solid #3498db;
    color: #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: #fff;
}