/* -------- 页面标题区 -------- */
.page-header {
    background: linear-gradient(135deg, #f0f4fa 0%, #e6edf6 100%);
    padding: 3rem 0 2.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.page-header h1 {
    font-weight: 700;
    color: #0b1a33;
    font-size: 2.2rem;
}
.page-header .lead {
    color: #4b5a6a;
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* -------- 公告列表 -------- */
.notices-section {
    padding: 2.5rem 0 3.5rem;
}
.notice-item {
    background: #ffffff;
    border-radius: 1rem;
    padding: 1.5rem 1.8rem;
    border: 1px solid #eef2f8;
    transition: all 0.2s ease;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
.notice-item:hover {
    box-shadow: 0 8px 24px rgba(0, 106, 205, 0.06);
    border-color: rgba(0, 106, 205, 0.10);
    transform: translateY(-2px);
}
.notice-item .notice-title {
    font-weight: 600;
    color: #0b1a33;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}
.notice-item .notice-title a {
    color: #0b1a33;
    text-decoration: none;
    transition: color 0.2s;
}
.notice-item .notice-title a:hover {
    color: #006ACD;
}
.notice-item .notice-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1.5rem;
    font-size: 0.85rem;
    color: #6c7a8a;
    margin-bottom: 0.5rem;
}
.notice-item .notice-meta i {
    margin-right: 4px;
}
.notice-item .notice-summary {
    color: #4b5a6a;
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 0;
}
.notice-item .notice-tag {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.1rem 0.8rem;
    border-radius: 30px;
    font-weight: 500;
    background: rgba(0, 106, 205, 0.08);
    color: #006ACD;
    border: 1px solid rgba(0, 106, 205, 0.12);
}
.notice-item .notice-tag.tag-important {
    background: rgba(220, 38, 38, 0.08);
    color: #dc2626;
    border-color: rgba(220, 38, 38, 0.12);
}
.notice-item .notice-tag.tag-event {
    background: rgba(245, 158, 11, 0.08);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.12);
}

/* -------- 右侧边栏 -------- */
.sidebar-card {
    background: #ffffff;
    border-radius: 1rem;
    padding: 1.5rem 1.4rem;
    border: 1px solid #eef2f8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    margin-bottom: 1.5rem;
}
.sidebar-card .card-title {
    font-weight: 600;
    color: #0b1a33;
    font-size: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar-card .card-title i {
    color: #006ACD;
}

/* 分类筛选按钮 */
.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.filter-group .filter-btn {
    padding: 0.25rem 1rem;
    border-radius: 30px;
    border: 1px solid #dde2eb;
    background: #ffffff;
    color: #4b5a6a;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
}
.filter-group .filter-btn:hover {
    background: #f0f4fa;
    border-color: #b0b8c0;
}
.filter-group .filter-btn.active {
    background: #006ACD;
    border-color: #006ACD;
    color: #ffffff;
}

/* 热门公告列表 */
.hot-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hot-list li {
    padding: 0.6rem 0;
    border-bottom: 1px solid #f0f4fa;
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
}
.hot-list li:last-child {
    border-bottom: none;
}
.hot-list li .hot-index {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #e9edf4;
    color: #6c7a8a;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.1rem;
}
.hot-list li .hot-index.top {
    background: #006ACD;
    color: #fff;
}
.hot-list li a {
    color: #1e293b;
    text-decoration: none;
    font-size: 0.88rem;
    line-height: 1.4;
    transition: color 0.2s;
}
.hot-list li a:hover {
    color: #006ACD;
}
.hot-list li .hot-date {
    font-size: 0.7rem;
    color: #8a98a8;
    display: block;
    margin-top: 0.1rem;
}

/* 联系支持卡片 */
.support-card {
    text-align: center;
}
.support-card .support-icon {
    font-size: 2.8rem;
    color: #006ACD;
    opacity: 0.6;
    margin-bottom: 0.3rem;
}
.support-card p {
    color: #6c7a8a;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}
.support-card .btn-outline-support {
    border-radius: 60px;
    border-color: #006ACD;
    color: #006ACD;
    padding: 0.3rem 1.8rem;
    font-weight: 500;
    transition: all 0.2s;
}
.support-card .btn-outline-support:hover {
    background: #006ACD;
    color: #fff;
}

/* -------- 分页控件 -------- */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.4rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.pagination-wrapper .page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.8rem;
    border-radius: 8px;
    border: 1px solid #dde2eb;
    background: #ffffff;
    color: #1e293b;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}
.pagination-wrapper .page-btn:hover {
    background: #f0f4fa;
    border-color: #b0b8c0;
}
.pagination-wrapper .page-btn.active {
    background: #006ACD;
    border-color: #006ACD;
    color: #fff;
    pointer-events: none;
}
.pagination-wrapper .page-btn.disabled {
    opacity: 0.4;
    pointer-events: none;
}
.pagination-wrapper .page-btn i {
    font-size: 1.2rem;
}
.pagination-wrapper .page-info {
    font-size: 0.85rem;
    color: #6c7a8a;
    margin: 0 0.6rem;
}

/* -------- 空状态 -------- */
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: #6c7a8a;
}
.empty-state i {
    font-size: 4rem;
    color: #dde2eb;
    margin-bottom: 1rem;
}
.empty-state h5 {
    color: #1e293b;
}