.hub-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.hub-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 18px;
    background: #fcfdff;
}

.hub-card.is-closed {
    background: #f8f5f4;
    border-color: #eadbd7;
}

.hub-card h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.hub-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 18px;
}

.hub-stats span {
    background: #edf3fb;
    border-radius: 8px;
    padding: 10px;
    color: var(--muted);
    font-size: 11px;
}

.hub-stats b {
    display: block;
    color: var(--ink);
    font-size: 18px;
}

.hub-note {
    color: #9e4135;
    font-size: 11px;
    margin: 14px 0 0;
}

@media (max-width: 650px) {
    .hub-stats { grid-template-columns: 1fr; }
}