/* 公告页面专用样式 - 科技感升级版 */
    .announcement-page {
      padding-top: var(--header-height);
    }
    
    /* Hero 区域 */
    .announcement-hero {
      position: relative;
      padding: var(--space-4xl) 0;
      background: linear-gradient(180deg, var(--bg-secondary) 0%, #e8f0fe 50%, var(--bg-primary) 100%);
      overflow: hidden;
    }
    
    .announcement-hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
      pointer-events: none;
    }

    .announcement-hero::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      pointer-events: none;
    }
    
    .announcement-hero__content {
      position: relative;
      text-align: center;
      z-index: 1;
    }
    
    .announcement-hero__icon {
      width: 80px;
      height: 80px;
      margin: 0 auto var(--space-xl);
      background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
      border-radius: var(--radius-xl);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 12px 35px rgba(59, 130, 246, 0.4);
      animation: float 3s ease-in-out infinite;
    }
    
    .announcement-hero__icon svg {
      width: 40px;
      height: 40px;
      stroke: var(--white);
    }
    
    .announcement-hero__title {
      font-size: var(--font-size-4xl);
      font-weight: var(--font-weight-bold);
      margin-bottom: var(--space-md);
      background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .announcement-hero__subtitle {
      font-size: var(--font-size-lg);
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
    }
    
    /* 筛选区域 */
    .announcement-filter {
      padding: var(--space-2xl) 0;
      background: linear-gradient(180deg, var(--bg-secondary) 0%, #e8f0fe 100%);
      border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    }
    
    .filter-tabs {
      display: flex;
      gap: var(--space-md);
      flex-wrap: wrap;
      justify-content: center;
    }
    
    .filter-tab {
      padding: var(--space-md) var(--space-xl);
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(59, 130, 246, 0.1);
      border-radius: var(--radius-full);
      color: var(--text-secondary);
      font-size: var(--font-size-base);
      font-weight: var(--font-weight-medium);
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      backdrop-filter: blur(10px);
    }
    
    .filter-tab:hover {
      border-color: rgba(59, 130, 246, 0.4);
      color: #2563eb;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.12);
    }
    
    .filter-tab--active {
      background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
      border-color: transparent;
      color: var(--white);
      box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
    }
    
    .filter-tab__count {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 20px;
      height: 20px;
      padding: 0 6px;
      margin-left: var(--space-sm);
      background: rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-full);
      font-size: var(--font-size-xs);
    }
    
    .filter-tab--active .filter-tab__count {
      background: rgba(255, 255, 255, 0.3);
    }
    
    /* 公告列表区域 */
    .announcement-list {
      padding: var(--space-3xl) 0;
      background: linear-gradient(180deg, #e8f0fe 0%, var(--bg-secondary) 100%);
    }
    
    .announcement-list__container {
      max-width: 900px;
      margin: 0 auto;
    }
    
    .announcement-card {
      display: flex;
      gap: var(--space-xl);
      padding: var(--space-xl);
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(59, 130, 246, 0.08);
      border-radius: var(--radius-xl);
      margin-bottom: var(--space-lg);
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      backdrop-filter: blur(10px);
    }
    
    .announcement-card > a {
      display: flex;
      gap: var(--space-xl);
      width: 100%;
      text-decoration: none;
      color: inherit;
    }

    .announcement-card:hover {
      transform: translateX(8px);
      border-color: rgba(59, 130, 246, 0.3);
      box-shadow: 0 12px 35px rgba(59, 130, 246, 0.1);
    }
    
    .announcement-card__date {
      flex-shrink: 0;
      width: 80px;
      text-align: center;
      padding: var(--space-md);
      background: var(--bg-secondary);
      border-radius: var(--radius-lg);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }
    
    .announcement-card__day {
      font-size: var(--font-size-2xl);
      font-weight: var(--font-weight-bold);
      color: var(--primary);
      line-height: 1;
    }
    
    .announcement-card__month {
      font-size: var(--font-size-xs);
      color: var(--text-secondary);
      text-transform: uppercase;
    }
    
    .announcement-card__year {
      font-size: var(--font-size-xs);
      color: var(--text-muted);
    }
    
    .announcement-card__content {
      flex: 1;
    }
    
    .announcement-card__header {
      display: flex;
      align-items: center;
      gap: var(--space-md);
      margin-bottom: var(--space-sm);
    }
    
    .announcement-card__tag {
      padding: var(--space-xs) var(--space-md);
      border-radius: var(--radius-full);
      font-size: var(--font-size-xs);
      font-weight: var(--font-weight-medium);
    }
    
    .announcement-card__tag--important {
      background: rgba(231, 76, 60, 0.2);
      border: 1px solid var(--danger);
      color: var(--danger);
    }
    
    .announcement-card__tag--update {
      background: rgba(46, 204, 113, 0.2);
      border: 1px solid var(--success);
      color: var(--success);
    }
    
    .announcement-card__tag--activity {
      background: rgba(244, 162, 97, 0.2);
      border: 1px solid var(--accent);
      color: var(--accent);
    }
    
    .announcement-card__tag--notice {
      background: rgba(52, 152, 219, 0.2);
      border: 1px solid var(--info);
      color: var(--info);
    }
    
    .announcement-card__title {
      font-size: var(--font-size-xl);
      font-weight: var(--font-weight-semibold);
      color: var(--text-primary);
      margin-bottom: var(--space-sm);
      transition: color var(--transition-fast);
    }
    
    .announcement-card:hover .announcement-card__title {
      color: var(--primary);
    }
    
    .announcement-card__summary {
      font-size: var(--font-size-sm);
      color: var(--text-secondary);
      line-height: var(--line-height-relaxed);
      margin-bottom: var(--space-md);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    
    .announcement-card__footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .announcement-card__meta {
      display: flex;
      align-items: center;
      gap: var(--space-lg);
      font-size: var(--font-size-xs);
      color: var(--text-muted);
    }
    
    .announcement-card__meta-item {
      display: flex;
      align-items: center;
      gap: var(--space-xs);
    }
    
    .announcement-card__arrow {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-secondary);
      border-radius: var(--radius-full);
      color: var(--text-secondary);
      transition: all var(--transition-fast);
    }
    
    .announcement-card:hover .announcement-card__arrow {
      background: var(--primary);
      color: var(--white);
      transform: translateX(4px);
    }
    
    /* 分页区域 */
    .announcement-pagination {
      padding: var(--space-2xl) 0 var(--space-4xl);
    }
    
    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-sm);
    }
    
    .pagination__btn {
      min-width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      color: var(--text-secondary);
      font-size: var(--font-size-sm);
      transition: all var(--transition-fast);
      cursor: pointer;
    }
    
    .pagination__btn:hover:not(.pagination__btn--disabled) {
      border-color: var(--primary);
      color: var(--primary);
    }
    
    .pagination__btn--active {
      background: var(--gradient-primary);
      border-color: var(--primary);
      color: var(--white);
      box-shadow: var(--glow-primary);
    }
    
    .pagination__btn--disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }
    
    .pagination__ellipsis {
      color: var(--text-muted);
      padding: 0 var(--space-sm);
    }
    
    /* ThinkPHP 分页组件适配 */
    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.75rem;
    }
    
    .pagination ul {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.75rem;
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    .pagination li {
      display: inline-flex;
    }
    
    .pagination a,
    .pagination span,
    .pagination li a,
    .pagination li span {
      min-width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 1rem;
      background: #fff;
      border: none;
      border-radius: 10px;
      color: #6b7280;
      font-size: 0.9375rem;
      font-weight: 500;
      transition: all 0.3s ease;
      text-decoration: none;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    }
    
    .pagination a:hover,
    .pagination li a:hover {
      background: #f0f7ff;
      color: #3b82f6;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    }
    
    .pagination .active,
    .pagination .current,
    .pagination li.active span,
    .pagination li span.current {
      background: linear-gradient(135deg, #3b82f6, #2563eb);
      color: #fff !important;
      box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    }
    
    .pagination .disabled,
    .pagination li.disabled span,
    .pagination li.disabled a {
      opacity: 0.4;
      cursor: not-allowed;
      pointer-events: none;
      background: #f9fafb;
      box-shadow: none;
    }

    /* 空状态 */
    .empty-state {
      text-align: center;
      padding: var(--space-4xl) 0;
    }
    
    .empty-state__icon {
      width: 80px;
      height: 80px;
      margin: 0 auto var(--space-xl);
      background: var(--bg-secondary);
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
    }
    
    .empty-state__title {
      font-size: var(--font-size-xl);
      color: var(--text-primary);
      margin-bottom: var(--space-sm);
    }
    
    .empty-state__desc {
      color: var(--text-secondary);
    }
    
    /* 响应式 */
    @media (max-width: 768px) {
      .announcement-hero {
        padding: var(--space-3xl) 0;
      }
      
      .announcement-hero__title {
        font-size: var(--font-size-3xl);
      }
      
      .announcement-hero__icon {
        width: 64px;
        height: 64px;
      }
      
      .announcement-card {
        flex-direction: column;
        gap: var(--space-md);
      }
      
      .announcement-card__date {
        width: auto;
        flex-direction: row;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
      }
      
      .announcement-card__day {
        font-size: var(--font-size-lg);
      }
      
      .filter-tabs {
        gap: var(--space-sm);
      }
      
      .filter-tab {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
      }
    }