.formats4 {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-color);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.formats4-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.formats4-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, border-color 0.3s ease;
    height: 100%;
}

.formats4-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.card-icon {
    color: var(--accent-color);
    margin-bottom: 2rem;
    opacity: 0.9;
}

.formats4-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

.card-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-active);
    margin-bottom: 2rem;
    opacity: 0.8;
    flex-grow: 1;
}

.formats4-card .card-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}


.formats4-card .card-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}


.formats4-card .card-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}


.formats4-card .card-list li:last-child {
    margin-bottom: 0;
}


/* Responsive */
@media (max-width: 1024px) {
    .formats4-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .formats4 {
        padding: 4rem 0;
    }

    .formats4-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
    }

    .formats4-card {
        padding: 2rem 1.5rem;
    }

    .card-icon {
        margin-bottom: 1.5rem;
    }

    .card-icon svg {
        width: 32px;
        height: 32px;
    }
}