    .intro-card {
        background: white;
        border-radius: 16px;
        padding: 40px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        margin-bottom: 25px;
        border-left: 5px solid #ff6b35;
    }

    .intro-card h2 {
        font-size: clamp(1.4rem, 2.5vw, 1.7rem);
        font-weight: 700;
        color: #2c3e50;
        margin-bottom: 15px;
    }

    .intro-card p {
        font-size: 1.05rem;
        color: #495057;
        line-height: 1.8;
        margin-bottom: 15px;
    }

    .intro-card p:last-child {
        margin-bottom: 0;
    }

    .category-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
        margin: 0 0 25px;
    }

    .category-card {
        background: white;
        border-radius: 16px;
        padding: 30px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        border-left: 5px solid #ff6b35;
    }

    .category-card h3 {
        font-size: 1.2rem;
        font-weight: 700;
        color: #2c3e50;
        margin-bottom: 12px;
    }

    .category-card p {
        font-size: 0.95rem;
        color: #495057;
        line-height: 1.7;
        margin: 0;
    }

    @media (max-width: 768px) {
        .intro-card {
            padding: 30px 25px;
        }

        .category-grid {
            grid-template-columns: 1fr;
        }

        .category-card {
            padding: 25px 20px;
        }
    }