.merchandise-realm-container {
    max-width: 1280px;
    margin: 0 auto;
}

.catalog-mesh-wrapper {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 30px;
    border: 1px solid #e0e0e0;
}

.banner-headline {
    font-size: 2rem;
    font-weight: 600;
    color: #4a90e2;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.banner-headline::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #4a90e2;
    border-radius: 2px;
}

.inventory-lattice {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* Desktop: 5 cột */
    gap: 24px;
    margin-bottom: 40px;
}

.commodity-exhibit {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.commodity-exhibit:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-color: #4a90e2;
}

.visual-enclosure {
    height: 180px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid #e0e0e0;
}

.item-portrait {
    width: 70%;
    height: 70%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.commodity-exhibit:hover .item-portrait {
    transform: scale(1.05);
}

.specification-zone {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pricing-showcase {
    margin-bottom: 12px;
}

.monetary-value {
    color: #f39c12;
    font-size: 1.4rem;
    font-weight: 700;
}

.narrative-text {
    color: #333333;
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.assessment-metrics {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.celestial-rating {
    display: flex;
    gap: 2px;
}

.luminous-icon {
    width: 14px;
    height: 14px;
    background: #ffd700;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.testimonial-tally {
    color: #666666;
    font-weight: 500;
}

.acquisition-trigger {
    width: 100%;
    background: #4a90e2;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto;
}

.acquisition-trigger:hover {
    background: #357abd;
    transform: translateY(-1px);
}

.acquisition-trigger:active {
    transform: translateY(0);
}

.expansion-hub-container {
    text-align: center;
    margin-top: 30px;
}

.revelation-activator {
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px 30px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.revelation-activator:hover {
    background: #357abd;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#cart-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #28a745;
    color: white;
    padding: 20px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    text-align: center;
}

/* Tablet: 4 cột */
@media (max-width: 1024px) and (min-width: 769px) {
    .inventory-lattice {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
}

/* Mobile: 2 cột */
@media (max-width: 768px) {

    .catalog-mesh-wrapper {
        padding: 20px;
    }

    .banner-headline {
        font-size: 1.6rem;
        margin-bottom: 20px;
    }

    .inventory-lattice {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .visual-enclosure {
        height: 140px;
    }

    .specification-zone {
        padding: 12px;
    }

    .monetary-value {
        font-size: 1.1rem;
    }

    .narrative-text {
        font-size: 0.85rem;
        line-height: 1.3;
        -webkit-line-clamp: 2;
    }

    .assessment-metrics {
        font-size: 0.8rem;
        margin-bottom: 15px;
    }

    .luminous-icon {
        width: 12px;
        height: 12px;
    }

    .acquisition-trigger {
        padding: 10px;
        font-size: 0.85rem;
    }
}

/* Mobile nhỏ: 2 cột */
@media (max-width: 480px) {

    .catalog-mesh-wrapper {
        padding: 15px;
    }

    .banner-headline {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }

    .inventory-lattice {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .visual-enclosure {
        height: 120px;
    }

    .specification-zone {
        padding: 10px;
    }

    .monetary-value {
        font-size: 1rem;
    }

    .narrative-text {
        font-size: 0.8rem;
        line-height: 1.2;
        margin-bottom: 10px;
    }

    .assessment-metrics {
        font-size: 0.75rem;
        margin-bottom: 12px;
    }

    .luminous-icon {
        width: 10px;
        height: 10px;
    }

    .acquisition-trigger {
        padding: 8px;
        font-size: 0.8rem;
    }
}

/* Animation cho fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.commodity-exhibit {
    animation: fadeIn 0.5s ease-out;
}