/* 公告列表和详情页样式 */

.announcements-container,
.announcement-detail-container {
    padding: 40px 15px 60px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 公告列表页标题 */
.announcements-title {
    font-size: 44px;
    font-weight: 700;
    color: #002b5c;
    margin-bottom: 50px;
    text-align: center;
    letter-spacing: -0.8px;
    position: relative;
    padding-bottom: 22px;
}

.announcements-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 4px;
    background: linear-gradient(90deg, #c42021 0%, #e63946 100%);
    border-radius: 2px;
}

/* 公告列表 */
.announcements-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 公告项 */
.announcement-item {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.announcement-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-color: #e0e0e0;
}

.announcement-header {
    margin-bottom: 20px;
}

.announcement-title {
    font-size: 24px;
    font-weight: 600;
    color: #002b5c;
    margin-bottom: 12px;
    line-height: 1.4;
}

.announcement-title a {
    color: #002b5c;
    text-decoration: none;
    transition: color 0.2s ease;
}

.announcement-title a:hover {
    color: #c42021;
}

.announcement-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
}

.announcement-meta i {
    color: #c42021;
    font-size: 14px;
}

.announcement-date {
    color: #666;
}

.announcement-excerpt {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 20px;
}

.announcement-excerpt p {
    margin-bottom: 12px;
}

.announcement-actions {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
}

.btn-read-more {
    display: inline-block;
    padding: 6px 14px;
    background-color: #0066cc;
    color: #fff !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    white-space: nowrap;
}

.btn-read-more:link,
.btn-read-more:visited,
.btn-read-more:active,
.btn-read-more:focus {
    color: #fff !important;
    text-decoration: none;
}

.btn-read-more:hover {
    background-color: #0052a3;
    color: #fff !important;
    text-decoration: none;
    transform: translateX(3px);
    box-shadow: 0 2px 6px rgba(0, 102, 204, 0.3);
}

/* 无公告提示 */
.no-announcements-message {
    text-align: center;
    padding: 80px 20px;
    color: #666;
    font-size: 17px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    margin-top: 40px;
    border: 1px solid #e8e8e8;
}

/* 公告详情页 */
.announcement-detail-content {
    margin: 0 auto;
    background: #fff;
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
}

.announcement-detail-title {
    font-size: 36px;
    font-weight: 700;
    color: #002b5c;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 3px solid #e0e0e0;
    position: relative;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.announcement-detail-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #c42021 0%, #e63946 100%);
}

.announcement-detail-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    padding: 15px 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #c42021;
}

.announcement-detail-meta i {
    color: #c42021;
    font-size: 16px;
}

.announcement-detail-meta .announcement-date {
    font-size: 15px;
    color: #666;
    font-weight: 500;
}

.announcement-detail-body {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 40px;
}

.announcement-detail-body p {
    margin-bottom: 20px;
}

.announcement-detail-body h1,
.announcement-detail-body h2,
.announcement-detail-body h3,
.announcement-detail-body h4,
.announcement-detail-body h5,
.announcement-detail-body h6 {
    margin-top: 30px;
    margin-bottom: 15px;
    color: #002b5c;
    font-weight: 600;
}

.announcement-detail-body h2 {
    font-size: 28px;
}

.announcement-detail-body h3 {
    font-size: 24px;
}

.announcement-detail-body h4 {
    font-size: 20px;
}

.announcement-detail-body ul,
.announcement-detail-body ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.announcement-detail-body li {
    margin-bottom: 10px;
}

.announcement-detail-body a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.2s ease;
}

.announcement-detail-body a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.announcement-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.announcement-detail-body blockquote {
    border-left: 4px solid #c42021;
    padding-left: 20px;
    margin: 20px 0;
    color: #666;
    font-style: italic;
}

.announcement-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.announcement-detail-body table th,
.announcement-detail-body table td {
    padding: 12px;
    border: 1px solid #e0e0e0;
    text-align: left;
}

.announcement-detail-body table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #002b5c;
}

.announcement-detail-actions {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
}

.btn-back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: #f8f9fa;
    color: #002b5c;
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    border: 2px solid #e0e0e0;
    transition: all 0.2s ease;
}

.btn-back-to-list:hover {
    background-color: #002b5c;
    color: #fff;
    border-color: #002b5c;
    text-decoration: none;
    transform: translateX(-3px);
}

.btn-back-to-list i {
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .announcements-container,
    .announcement-detail-container {
        padding: 30px 12px 50px;
    }
    
    .announcements-title {
        font-size: 32px;
        margin-bottom: 40px;
        padding-bottom: 18px;
    }
    
    .announcements-title::after {
        width: 70px;
        height: 3px;
    }
    
    .announcement-item {
        padding: 24px 20px;
        border-radius: 10px;
    }
    
    .announcement-title {
        font-size: 20px;
    }
    
    .announcement-excerpt {
        font-size: 14px;
    }
    
    .announcement-detail-content {
        padding: 35px 25px;
        border-radius: 10px;
    }
    
    .announcement-detail-title {
        font-size: 28px;
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .announcement-detail-title::after {
        width: 60px;
        height: 2px;
    }
    
    .announcement-detail-meta {
        padding: 12px 16px;
        margin-bottom: 25px;
    }
    
    .announcement-detail-body {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 35px;
    }
    
    .announcement-detail-body h2 {
        font-size: 24px;
    }
    
    .announcement-detail-body h3 {
        font-size: 20px;
    }
    
    .announcement-detail-body h4 {
        font-size: 18px;
    }
    
    .announcement-detail-actions {
        margin-top: 35px;
        padding-top: 25px;
    }
    
    .btn-back-to-list {
        padding: 10px 20px;
        font-size: 14px;
    }
}