.announcement-detail-container {
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 25px;
    position: relative;
}

.back-link {
    display: inline-block;
    margin-bottom: 15px;
    color: #6c757d;
    text-decoration: none;
    transition: color 0.2s;
}

.back-link:hover {
    color: #007bff;
}

.page-header h1 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 2rem;
    line-height: 1.3;
}

.announcement-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.meta-item {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: #6c757d;
}

.meta-item i {
    margin-right: 8px;
}

.meta-item.pinned {
    color: #dc3545;
    font-weight: 500;
}

.announcement-content {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 25px;
    line-height: 1.7;
    color: #333;
}

/* 内容中的富文本样式 */
.announcement-content h1,
.announcement-content h2,
.announcement-content h3 {
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

.announcement-content p {
    margin-bottom: 1em;
}

.announcement-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 15px 0;
}

.announcement-content ul,
.announcement-content ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

.announcement-content a {
    color: #007bff;
}

.announcement-content blockquote {
    border-left: 4px solid #e3e3e3;
    padding-left: 15px;
    color: #6c757d;
    margin-left: 0;
    margin-right: 0;
}