.fee-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
    margin-top: 1.25rem;
}
.fee-card {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
}
.fee-card__icon {
    width: 44px; height: 44px;
    margin: 0 auto 0.9rem;
    border-radius: 50%;
    background: var(--color-paper-alt);
    color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
}
.fee-card__icon svg { width: 22px; height: 22px; }
.fee-card__value { display: block; font-size: 1.3rem; font-weight: 800; color: var(--color-primary); margin-bottom: 0.15rem; }
.fee-card__label { font-size: 0.82rem; color: #6b7468; font-weight: 600; }
.fee-card__note { font-size: 0.75rem; color: #8a9384; margin-top: 0.35rem; }

@media (min-width: 640px) {
    .fee-grid { grid-template-columns: repeat(3, 1fr); }
}