/* 마감된 카드 스타일 */
.support-card.ended {
    filter: grayscale(100%);
    opacity: 0.5;
}

/* 탭 스타일 */
.tabs {
    display: flex;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e3e3e3;
}
.tabs button {
    padding: 1rem 2rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}
.tabs button.active {
    color: var(--point-color);
    border-bottom-color: var(--point-color);
    font-weight: 600;
}
.tabs button:hover {
    color: var(--point-color);
}