/* --- 最新消息頁面樣式 --- */
.announcement-container {
    width: 100%;
    margin: 0 auto;
    font-family: "微軟正黑體", "Microsoft JhengHei", sans-serif;
}

.page-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}
.page-header img {
    width: 60px;
    height: 60px;
}
.page-header h1 {
    font-size: 1.5em;
    color: #555;
    line-height: 1.6;
    margin: 10px 0 0 0;
}

/* --- 年度分隔線 --- */
.year-divider {
    font-size: 1.8em;
    color: #c2242d;
    text-align: center;
    padding: 10px;
    margin: 30px 0 20px 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    background-color: #f9f9f9;
}

/* --- 公告項目 --- */
.announcement-item {
    border-bottom: 1px solid #e0e0e0;
}
.announcement-item:last-child {
    border-bottom: none;
}

.announcement-toggle {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 15px;
    background-color: #fff;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.3s;
}
.announcement-toggle:hover {
    background-color: #f5f5f5;
}

.item-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    flex-shrink: 0;
}

.item-text {
    flex-grow: 1;
}

.item-title {
    display: block;
    font-size: 1.1em;
    font-weight: bold;
    color: #333;
}

.item-date {
    display: block;
    font-size: 0.9em;
    color: #888;
    margin-top: 5px;
}

.item-arrow {
    font-size: 1em;
    color: #999;
    transition: transform 0.3s;
}
.announcement-toggle.active .item-arrow {
    transform: rotate(180deg);
}

/* --- 公告內容 --- */
.announcement-content {
    display: none; /* 預設隱藏 */
    background-color: #f9f9f9;
    border-top: 1px solid #e0e0e0;
}

.content-wrapper {
    padding: 20px;
    line-height: 1.8;
    font-size: 1em;
    color: #444;
}
.content-wrapper p, .content-wrapper ul, .content-wrapper table {
    margin-bottom: 1em;
}
.content-wrapper img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}
.content-wrapper a {
    color: #c2242d;
    font-weight: bold;
}

.signature {
    text-align: right;
    margin-top: 20px;
}
.signature p {
    margin: 0;
    line-height: 1.6;
}

/* 響應式調整 */
@media (max-width: 768px) {
    .page-header h1 { font-size: 1.2em; }
    .year-divider { font-size: 1.5em; }
    .item-title { font-size: 1em; }
    .announcement-toggle { padding: 10px; }
}