* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 15px; 
    max-width: 1100px;
    margin: 0 auto;
}

.product-card {
    border: 1px solid #eee;
    padding: 15px;
    border-radius: 5px;
    transition: box-shadow 0.3s;
}

.product-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.image-box {
    text-align: center;
    position: relative;
    margin-bottom: 10px;
}

.image-box img {
    max-width: 100%;
    height: 180px;
    object-fit: contain;
}

.badge-tragop {
    position: absolute;
    bottom: 5px;
    left: 0;
    background-color: #f39c12;
    color: white;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 2px;
}

.badge-giam {
    position: absolute;
    bottom: 5px;
    left: 0;
    background-color: #e74c3c;
    color: white;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 2px;
}

.name {
    font-size: 15px;
    color: #333;
    margin-bottom: 8px;
    font-weight: bold;
}

.price {
    color: #d0021b;
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 8px;
}

.rating {
    margin-bottom: 8px;
}

.stars {
    color: #f1c40f;
    font-size: 14px;
}

.reviews {
    color: #f1c40f;
    font-size: 12px;
    margin-left: 5px;
}

.promo {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}