/* 公告页面基础样式 */

.announcements-page {
    padding: 2rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

/* 置顶公告区域 */

.pinned-announcements {
    margin-bottom: 3rem;
}

/* 置顶公告头部 */

.pinned-announcements .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 亮色主题样式 */

[data-theme='light'] .pinned-announcements .section-header {
    background: linear-gradient(145deg, rgba(72, 52, 212, 0.05), rgba(72, 52, 212, 0.1));
    border: 1px solid rgba(72, 52, 212, 0.1);
}

[data-theme='light'] .pinned-announcements .section-header:hover {
    background: linear-gradient(145deg, rgba(72, 52, 212, 0.08), rgba(72, 52, 212, 0.15));
    border-color: rgba(72, 52, 212, 0.2);
    transform: translateY(-1px);
}

/* 深色主题样式 */

[data-theme='dark'] .pinned-announcements .section-header {
    background: rgba(104, 109, 224, 0.15);
    border: 1px solid rgba(104, 109, 224, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme='dark'] .pinned-announcements .section-header:hover {
    background: rgba(104, 109, 224, 0.2);
    border-color: rgba(104, 109, 224, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 标题样式 */

.pinned-announcements .section-header h2 {
    font-size: 1.5rem;
    color: var(--heading-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* 切换图标 */

.pinned-announcements .toggle-icon {
    font-size: 0.9rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--feature-bg);
}

[data-theme='light'] .pinned-announcements .toggle-icon {
    background: rgba(72, 52, 212, 0.1);
}

[data-theme='dark'] .pinned-announcements .toggle-icon {
    background: rgba(104, 109, 224, 0.2);
}

/* 深色主题下的标题和图标颜色 */

[data-theme='dark'] .pinned-announcements .section-header h2 {
    color: var(--text-color);
}

[data-theme='dark'] .pinned-announcements .section-header .toggle-icon {
    color: var(--primary-color);
    background: rgba(104, 109, 224, 0.2);
}

[data-theme='dark'] .pinned-announcements .section-header:hover .toggle-icon {
    background: rgba(104, 109, 224, 0.3);
    color: white;
}

/* 公告列表样式 */

.announcement-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    /* 增加最小宽度 */
    gap: 1.5rem;
    padding: 0.5rem;
}

/* 公告项样式 */

.announcement-item {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.announcement-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow);
    border-color: var(--primary-color);
}

/* 元信息区域 */

.meta-info {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 0.5rem;
}

.category {
    background: var(--feature-bg);
    color: var(--primary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
}

.date {
    color: var(--text-secondary);
    font-size: 0.95rem;
    white-space: nowrap;
    padding: 0.5rem 1.2rem;
    background: var(--feature-bg);
    border-radius: 20px;
}

/* 置顶标记 */

.pin-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: 0.8rem;
}

[data-theme='light'] .pin-badge {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(72, 52, 212, 0.2);
}

[data-theme='dark'] .pin-badge {
    background: rgba(104, 109, 224, 0.3);
    color: #fff;
    border: 1px solid rgba(104, 109, 224, 0.4);
}

/* 标题样式修复 */

.announcement-title {
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.5;
    font-weight: 500;
}

.announcement-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    position: relative;
    padding-bottom: 2px;
}

.announcement-title a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.announcement-title a:hover {
    color: var(--primary-color);
}

.announcement-title a:hover::after {
    transform: scaleX(1);
}

/* 确保标题在卡片中的位置正确 */

.announcement-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    height: 100%;
}

/* 响应式调整 */

@media (max-width: 768px) {
    .announcement-title {
        font-size: 1.1rem;
    }
    .announcement-title a {
        -webkit-line-clamp: 2;
    }
}

/* 页面控制区域 */

.page-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
}

.page-size-selector label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.page-size-selector select {
    appearance: none;
    -webkit-appearance: none;
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
    position: relative;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 1rem;
}

/* 亮色主题样式 */

[data-theme='light'] .page-size-selector select {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme='light'] .page-size-selector select:hover {
    border-color: var(--primary-color);
    background-color: var(--feature-bg);
}

[data-theme='light'] .page-size-selector select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
    background-color: var(--bg-color);
}

/* 深色主题样式 */

[data-theme='dark'] .page-size-selector select {
    background-color: var(--card-bg-dark);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme='dark'] .page-size-selector select:hover {
    border-color: var(--primary-color);
    background-color: rgba(104, 109, 224, 0.1);
}

[data-theme='dark'] .page-size-selector select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(104, 109, 224, 0.2);
    background-color: var(--card-bg-dark);
}

/* 选择框选项样式 */

.page-size-selector select option {
    padding: 0.8rem;
    background: var(--bg-color);
    color: var(--text-color);
}

[data-theme='dark'] .page-size-selector select option {
    background: var(--card-bg-dark);
}

/* 悬停和焦点效果 */

.page-size-selector:hover label {
    color: var(--primary-color);
}

.page-size-selector select:hover {
    transform: translateY(-1px);
}

.page-size-selector select:focus {
    outline: none;
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .page-size-selector {
        width: 100%;
    }
    .page-size-selector select {
        width: 100%;
        padding: 0.5rem 2rem 0.5rem 0.8rem;
        font-size: 0.9rem;
    }
    .page-size-selector label {
        font-size: 0.9rem;
    }
}

/* 分页导航 */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 2.5rem;
    text-align: center;
    font-size: 0.9rem;
}

.pagination a:hover {
    background: var(--feature-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 响应式调 */

@media screen and (max-width: 1024px) {
    .announcement-list,
    #pinnedAnnouncementsList {
        grid-template-columns: 1fr;
        /* 单列布局 */
    }
    .announcement-item {
        min-height: 160px;
        /* 调整移动端最小高度 */
        padding: 1.5rem;
    }
}

@media screen and (max-width: 768px) {
    .section-header {
        padding: 1rem;
    }
    .announcement-item {
        padding: 1.5rem;
        min-height: 150px;
    }
    .announcement-title {
        font-size: 1.1rem;
        -webkit-line-clamp: 2;
    }
    .meta-info {
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    .read-more {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    .category {
        margin-left: 0;
        /* 移动端时取消右对齐 */
    }
    .date {
        font-size: 0.85rem;
    }
    .pin-badge {
        padding: 0.2rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* 动画效果 */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.announcement-item {
    animation: fadeInUp 0.5s ease-out forwards;
    animation-delay: calc(var(--item-index, 0) * 0.1s);
    opacity: 0;
}

/* 查看详情按钮样式 */

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: auto;
    align-self: flex-start;
}

/* 亮色主题按钮样式 */

[data-theme='light'] .read-more {
    background: var(--feature-bg);
    color: var(--primary-color);
    border: 1px solid rgba(72, 52, 212, 0.2);
}

[data-theme='light'] .read-more:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(72, 52, 212, 0.2);
}

/* 深色主题按钮样式 */

[data-theme='dark'] .read-more {
    background: rgba(104, 109, 224, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(104, 109, 224, 0.2);
}

[data-theme='dark'] .read-more:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* 箭头样式 */

.read-more .arrow {
    font-size: 1.2rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.read-more:hover .arrow {
    transform: translateX(3px);
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .read-more {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* 置顶公告列表容器 */

#pinnedAnnouncementsList {
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
}

#pinnedAnnouncementsList.hidden {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

/* 动画效果 */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    animation: slideDown 0.4s ease-out forwards;
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .section-header {
        padding: 1rem;
    }
    .section-header h2 {
        font-size: 1.3rem;
    }
    .pin-badge {
        padding: 0.2rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* 深色主题下的标题和图标颜色 */

[data-theme='dark'] .section-header h2 {
    color: var(--text-color);
}

[data-theme='dark'] .section-header .toggle-icon {
    color: var(--primary-color);
    background: rgba(104, 109, 224, 0.2);
}

[data-theme='dark'] .section-header:hover .toggle-icon {
    background: rgba(104, 109, 224, 0.3);
    color: white;
}

/* 历史公告区域 */

.history-announcements {
    margin-bottom: 3rem;
}

/* 历史公告头部 */

.history-announcements .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    background: var(--feature-bg);
}

/* 亮色主题样式 */

[data-theme='light'] .history-announcements .section-header {
    background: linear-gradient(145deg, rgba(72, 52, 212, 0.05), rgba(72, 52, 212, 0.1));
    border: 1px solid rgba(72, 52, 212, 0.1);
}

[data-theme='light'] .history-announcements .section-header:hover {
    background: linear-gradient(145deg, rgba(72, 52, 212, 0.08), rgba(72, 52, 212, 0.15));
    border-color: rgba(72, 52, 212, 0.2);
    transform: translateY(-1px);
}

/* 深色主题样式 */

[data-theme='dark'] .history-announcements .section-header {
    background: rgba(104, 109, 224, 0.15);
    border: 1px solid rgba(104, 109, 224, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme='dark'] .history-announcements .section-header:hover {
    background: rgba(104, 109, 224, 0.2);
    border-color: rgba(104, 109, 224, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 标题样式 */

.history-announcements .section-header h2 {
    font-size: 1.5rem;
    color: var(--heading-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* 页面控制区域 */

.page-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 每页显示选择器 */

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
}

.page-size-selector label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.page-size-selector select {
    appearance: none;
    -webkit-appearance: none;
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
    position: relative;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 1rem;
}

/* 深色主题下的标题和选择器颜色 */

[data-theme='dark'] .history-announcements .section-header h2 {
    color: var(--text-color);
}

[data-theme='dark'] .page-size-selector select {
    background-color: var(--card-bg-dark);
    border-color: rgba(104, 109, 224, 0.2);
    color: var(--text-color);
}

[data-theme='dark'] .page-size-selector select:hover {
    border-color: var(--primary-color);
    background-color: rgba(104, 109, 224, 0.3);
}

[data-theme='dark'] .page-size-selector label {
    color: var(--text-secondary);
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .history-announcements .section-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .page-controls {
        width: 100%;
    }
    .page-size-selector {
        width: 100%;
        justify-content: space-between;
    }
    .page-size-selector select {
        flex: 1;
        min-width: auto;
    }
}

/* 按钮样式 */

.announcement-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--feature-bg);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: auto;
    cursor: pointer;
}

/* 亮色主题按钮样式 */

[data-theme='light'] .announcement-button {
    background: var(--feature-bg);
    color: var(--primary-color);
    border: 1px solid rgba(72, 52, 212, 0.2);
}

[data-theme='light'] .announcement-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(72, 52, 212, 0.2);
}

/* 深色主题按钮样式 */

[data-theme='dark'] .announcement-button {
    background: rgba(104, 109, 224, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(104, 109, 224, 0.2);
}

[data-theme='dark'] .announcement-button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* 按钮图标 */

.announcement-button i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.announcement-button:hover i {
    transform: translateX(3px);
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .announcement-title {
        font-size: 1.1rem;
        margin: 0.3rem 0;
    }
    .announcement-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* 日期和分类标签样式 */

.date,
.category {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.date {
    color: var(--text-secondary);
    background: var(--feature-bg);
}

.category {
    color: var(--primary-color);
    background: var(--feature-bg);
}

.category:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

/* 置顶标记样式 */

.pin-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: 0.8rem;
    transition: all 0.3s ease;
}

[data-theme='light'] .pin-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(72, 52, 212, 0.2);
}

[data-theme='dark'] .pin-badge {
    background: linear-gradient(135deg, rgba(104, 109, 224, 0.3), rgba(72, 52, 212, 0.3));
    color: #fff;
    border: 1px solid rgba(104, 109, 224, 0.4);
}

.pin-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

/* 公告项悬停效果 */

.announcement-item {
    position: relative;
    overflow: hidden;
}

.announcement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, var(--feature-bg));
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 0;
}

.announcement-item:hover::before {
    opacity: 1;
}

.announcement-item > * {
    position: relative;
    z-index: 1;
}

/* 深色主题适配 */

[data-theme='dark'] .announcement-title a {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

[data-theme='dark'] .date,
[data-theme='dark'] .category {
    background: rgba(104, 109, 224, 0.1);
    border: 1px solid rgba(104, 109, 224, 0.2);
}

[data-theme='dark'] .category:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* 响应式调整 */

@media screen and (max-width: 768px) {
    .announcement-title a {
        font-size: 1rem;
    }
    .date,
    .category {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
}

.announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

@media (min-width: 1024px) {
    .announcements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1400px) {
    .announcements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1800px) {
    .announcements-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 首页最新公告样式 */

.latest-announcements {
    max-width: 1400px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.latest-announcements .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.latest-announcements .section-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.latest-announcements .section-header h2 i {
    color: var(--primary-color);
}

.latest-announcements .view-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.latest-announcements .view-all:hover {
    transform: translateX(4px);
}

.latest-announcements .view-all i {
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.latest-announcements .view-all:hover i {
    transform: translateX(4px);
}

/* 首页公告网格布局 */

.latest-announcements .announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .latest-announcements .announcements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1400px) {
    .latest-announcements .announcements-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .latest-announcements {
        margin: 2rem auto;
        padding: 0 1rem;
    }
    .latest-announcements .section-header h2 {
        font-size: 1.5rem;
    }
    .latest-announcements .announcements-grid {
        grid-template-columns: 1fr;
    }
}