/* ============================================================
 * 全站公告橫幅
 * 靜態區塊（非 fixed），置於頁首上方，隨頁面捲動一起移動
 * ============================================================ */

.announcement-banner {
    position: relative;
    /* 僅需 stacking context 讓關閉按鈕 absolute 定位；不可高於導覽列（1030），
       否則下拉選單 (.dropdown-menu) 展開時會被公告列蓋住 */
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 44px 10px 16px;
    background: var(--color-primary);
    color: var(--text-on-primary);
    text-align: center;
}

.announcement-banner-content {
    font-size: 14px;
    line-height: 1.5;
}

.announcement-banner-link {
    color: var(--text-on-primary);
    text-decoration: underline;
    font-weight: 600;
    white-space: nowrap;
}

.announcement-banner-close {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-on-primary);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.announcement-banner-close:hover {
    opacity: 0.75;
}

@media (max-width: 768px) {
    .announcement-banner {
        padding: 10px 44px 10px 12px;
    }

    .announcement-banner-content {
        font-size: 13px;
    }
}