.contribute-modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: rgba(0,0,0,0.4); /*這裡會隱藏背景*/
    display: none;
    z-index: 3000;
    transition: background 0.25s ease;
}

.contribute-content {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: #fff;
    border-radius: 16px 16px 0 0;
    padding: 16px;
    animation: slideUp 0.25s ease;
}
.circle-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: 0 6px 14px rgba(0,0,0,0.15);
    transition: all 0.2s ease;
}

    /* Hover / 點擊感 */
    .circle-btn:active {
        transform: scale(0.92);
        box-shadow: 0 3px 8px rgba(0,0,0,0.2);
    }

    /* 顏色（柔和版） */
    .circle-btn.store {
        background: #4CAF50;
    }

    .circle-btn.report {
        background: #F44336;
    }

/* 文字 */
.btn-label {
    font-size: 13px;
    margin-top: 6px;
    color: #555;
}

/* ICON 微調 */
.circle-btn i {
    font-size: 20px;
}
@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}