.rel-listings {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.rel-card {
    background: #fff;
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
}
.rel-card img {
    max-width: 100%;
    border-radius: 6px;
}
.rel-card h3 {
    margin: 10px 0;
}