/* 公告详情页样式 */

.announcement-detail {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    transform-origin: top center;
    will-change: transform;
    backface-visibility: hidden;
}

.content-wrapper {
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    contain: content;
    will-change: transform;
}

.article-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.title {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.meta-left {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.meta-left span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-left i {
    color: var(--text-tertiary);
}

.tags-container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.tag {
    background: var(--surface-variant);
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 16px;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.tag:hover {
    background: var(--surface-variant-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.article-content {
    line-height: 1.8;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1.5rem 0;
    image-rendering: -webkit-optimize-contrast;
}

.sidebar {
    position: sticky;
    top: 2rem;
}

.widget {
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.widget h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.related-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-posts li {
    margin-bottom: 1rem;
}

.related-posts a {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.related-posts a:hover {
    color: var(--primary-color);
}

.related-posts .title {
    font-size: 0.95rem;
    line-height: 1.4;
}

.related-posts .date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.article-navigation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.nav-link {
    position: relative;
    display: flex;
    padding: 1.5rem;
    background: var(--surface-variant);
    border-radius: 12px;
    text-decoration: none;
    overflow: hidden;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, var(--primary-color-light), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-link:hover::before {
    opacity: 0.1;
}

.nav-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.nav-link.prev .nav-content {
    padding-left: 1rem;
}

.nav-link.next .nav-content {
    text-align: right;
    padding-right: 1rem;
}

.nav-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.nav-link.next .nav-label {
    justify-content: flex-end;
}

.nav-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.icon-arrow-left,
.icon-arrow-right {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.nav-link:hover .icon-arrow-left {
    transform: translateX(-4px);
}

.nav-link:hover .icon-arrow-right {
    transform: translateX(4px);
}

.no-posts {
    color: var(--text-secondary);
    font-style: italic;
    padding: 1rem 0;
}

@media (max-width: 768px) {
    .announcement-detail {
        grid-template-columns: 1fr;
        touch-action: manipulation;
        -webkit-overflow-scrolling: touch;
    }
    .title {
        font-size: 1.5rem;
    }
    .meta {
        flex-direction: column;
        align-items: flex-start;
    }
    .content-wrapper {
        padding: 1.5rem;
    }
    .article-navigation {
        grid-template-columns: 1fr;
    }
    .nav-link.next .nav-content {
        text-align: left;
        padding-left: 1rem;
        padding-right: 0;
    }
    .nav-link.next .nav-label {
        justify-content: flex-start;
    }
}

/* 在现有样式的基础上添加或更新以下内容 */

.tags-section {
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--surface-variant);
    color: var(--text-secondary);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.tag:hover {
    background: var(--surface-variant-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.share-section {
    margin: 2rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.share-buttons {
    display: flex;
    gap: 1rem;
}

.share-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface-variant);
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.share-button:hover {
    background: var(--surface-variant-hover);
    color: var(--text-primary);
}

.share-button.copied {
    background: var(--primary-color);
    color: var(--on-primary);
}

.related-announcements {
    margin-top: 2rem;
    width: 100%;
}

.related-container {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.related-container h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.related-container h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--primary-color);
}

.related-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .related-list {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (min-width: 1024px) {
    .related-list {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (min-width: 1200px) {
    .related-list {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media (min-width: 1400px) {
    .related-list {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (min-width: 1600px) {
    .related-list {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

/* 移动端布局 */

@media (max-width: 767px) {
    .related-list {
        grid-template-columns: 1fr;
    }
}

.related-item {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.2rem;
    background: var(--surface-variant);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    height: 100%;
}

.related-item:hover {
    background: var(--surface-variant-hover);
    transform: translateY(-2px);
    border-color: var(--primary-color-light);
    box-shadow: var(--shadow-md);
}

.related-item .date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-item .date::before {
    content: '\1F4C5';
    /* 日历表情符号 */
    font-size: 1rem;
}

.related-item .title {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.4;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

/* 响应式调整 */

@media (max-width: 1200px) {
    .related-list {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .related-list {
        grid-template-columns: 1fr;
    }
    .related-item {
        padding: 0.8rem;
    }
    .related-item .title {
        font-size: 0.9rem;
    }
}

/* 添加动画效果 */

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

.related-item {
    animation: fadeIn 0.3s ease-out forwards;
}

/* 添加加载状态样式 */

.related-list.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* 添加无相关公告状态样式 */

.no-related {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
    background: var(--surface-variant);
    border-radius: 8px;
}

/* 修改 meta 相关样式 */

.meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.meta-left {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.meta-left span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-left i {
    color: var(--text-tertiary);
}

/* 添加 sn 编号样式 */

.sn {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-tertiary);
    opacity: 0.8;
}

/* 移除阅读数相关样式 */

.views {
    display: none;
}

/* 添加缩放提示 */

.zoom-hint {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--surface-color);
    padding: 8px 12px;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
}

.zoom-hint.show {
    opacity: 1;
    transform: translateY(0);
}