.sub-unit-main-content {
    --primary-gradient: linear-gradient(90deg, #005577 0%, #00a99d 100%);
    --reverse-gradient: linear-gradient(90deg, #00a99d 0%, #005577 100%);
    --dark-blue: #005577;
    --teal: #00a99d;
    --red: #ff0033;
    --gold: #cda045;
}

/* 主要內容區 */
.sub-unit-main-content {
    margin-top: -300px;
    padding: 2rem 0;
}

.sub-unit-main-content-container {
    position: relative;
    z-index: 1;
    background-color: #ffffff;
    border-radius: 5px;
    padding: 60px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.sub-unit-page-title {
    text-align: center;
    color: var(--gold);
    font-size: 3rem;
    margin-bottom: 3rem;
    font-weight: 300;
}

/* 重點新聞區 */
.sub-unit-news-grid {
    margin-bottom: 4rem;
}

.sub-unit-news-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 93%;
    margin-bottom: 2rem;
}

.sub-unit-news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0;
}

.sub-unit-news-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.sub-unit-news-card-content {
    padding: 1.5rem 1px 0 1px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}

.sub-unit-news-card-title {
    font-size: 1rem;
    font-weight: bold;
    color: #333;
    line-height: 1.4;
    margin-bottom: 1rem;
    text-decoration: none;
    flex-grow: 1;
}

.sub-unit-news-card-title:hover {
    color: var(--teal);
}

.sub-unit-news-card-meta {
    color: var(--teal);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

/* 時間軸新聞(停用) */
.sub-unit-timeline-news {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0;
}

.sub-unit-timeline-item {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    align-items: flex-start;
    gap: 2rem;
}

.sub-unit-timeline-item:last-child {
    border-bottom: none;
}

.sub-unit-timeline-date {
    color: var(--gold);
    font-weight: bold;
    font-size: 1rem;
    min-width: 120px;
    flex-shrink: 0;
}

.sub-unit-timeline-content {
    flex: 1;
}

.sub-unit-timeline-title {
    color: #333;
    font-size: 1rem;
    line-height: 1.5;
    text-decoration: none;
    display: block;
}

.sub-unit-timeline-title:hover {
    color: var(--teal);
}

/* 平版樣式 */
@media (max-width: 1024px) {
    .navbar-logo-fixed {
        width: 100px;
    }

    .sub-unit-main-content {
        margin-top: -150px;
    }
}

/* 手機版 */
@media (max-width: 767.98px) {
    .sub-unit-page-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .sub-unit-main-content-container {
        position: relative;
        z-index: 0;
        padding: 1rem;
    }

    /* 重點新聞區 */
    .sub-unit-news-card {
        height: auto;
    }

    .sub-unit-news-grid {
        margin-bottom: 0;
    }

    /* 時間軸新聞 */
    .sub-unit-timeline-news {
        padding: 5px;
    }

    .sub-unit-timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .sub-unit-timeline-date {
        min-width: auto;
    }

    .sub-unit-main-content {
        margin-top: 0;
        padding: 1rem 0;
    }
}