/* ==================================================================
 * pages.css —— 各内页专属样式（列表页 / 详情页 / 专家页 / 关于页 / 搜索页）
 * ================================================================== */

/* ==================== 内容主区两栏布局 ==================== */
.page-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
  padding: 26px 0 8px;
}
.page-body.single { grid-template-columns: minmax(0, 1fr); }
.page-aside { position: sticky; top: 20px; }

/* ==================== 筛选条 ==================== */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.filter-bar .label { font-size: 13.5px; color: var(--c-text-mute); flex-shrink: 0; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 4px 14px;
  border: 1px solid var(--c-border);
  border-radius: 15px;
  background: var(--c-bg);
  color: var(--c-text-sub);
  font-size: 13px;
  transition: all var(--dur) var(--ease);
}
.chip:hover { border-color: var(--c-primary-300); color: var(--c-primary); }
.chip.is-active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  font-weight: 500;
}
.filter-bar .spacer { flex: 1; }
.filter-bar .select { width: auto; height: 32px; font-size: 13px; padding: 0 10px; }
.filter-bar .search-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
}
.filter-bar .search-inline .input { height: 32px; width: 190px; font-size: 13px; }

/* ==================== 文章详情页 ==================== */
.article-head { text-align: center; padding: 12px 0 22px; }
.article-head h1 {
  margin: 0 0 8px;
  font-size: 29px;
  line-height: 1.45;
  letter-spacing: 0.5px;
}
.article-head .subtitle {
  font-size: 17px;
  color: var(--c-text-sub);
  font-family: var(--font-serif);
  margin-bottom: 14px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 12px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  font-size: 13px;
  color: var(--c-text-mute);
}
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-meta .actions { display: flex; gap: 6px; }
.icon-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-bg);
  color: var(--c-text-mute);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.icon-btn:hover { border-color: var(--c-primary-300); color: var(--c-primary); background: var(--c-primary-50); }

.article-summary {
  margin: 22px 0;
  padding: 16px 20px;
  background: var(--c-primary-50);
  border-left: 3px solid var(--c-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px;
  color: var(--c-text-sub);
  line-height: 1.9;
}
.article-summary .label {
  font-weight: 700;
  color: var(--c-primary);
  margin-right: 6px;
}

.article-cover {
  margin: 0 0 22px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
}
.article-cover img { width: 100%; }

/* 富文本正文 */
.article-content {
  font-size: 16.5px;
  line-height: 2.05;
  color: #26313d;
  letter-spacing: 0.3px;
  word-break: break-word;
}
.article-content p { margin: 0 0 1.15em; text-indent: 0; }
.article-content h1, .article-content h2, .article-content h3, .article-content h4 {
  margin: 1.5em 0 0.75em;
  font-family: var(--font-serif);
  color: var(--c-primary-900);
  line-height: 1.5;
}
.article-content h2 {
  font-size: 21px;
  padding-left: 13px;
  border-left: 4px solid var(--c-gold);
}
.article-content h3 { font-size: 18px; }
.article-content h4 { font-size: 16.5px; }
.article-content ul, .article-content ol { margin: 0 0 1.15em; padding-left: 1.6em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.4em; }
.article-content blockquote {
  margin: 1.3em 0;
  padding: 14px 20px;
  background: var(--c-bg-soft);
  border-left: 3px solid var(--c-primary-300);
  color: var(--c-text-sub);
  font-size: 15px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-content img {
  margin: 18px auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.article-content a { color: var(--c-primary-500); text-decoration: underline; text-underline-offset: 3px; }
.article-content table { margin: 1.2em 0; font-size: 14.5px; }
.article-content th, .article-content td {
  border: 1px solid var(--c-border-strong);
  padding: 9px 13px;
  text-align: left;
}
.article-content th { background: var(--c-bg-soft); font-weight: 600; }
.article-content hr { border: 0; border-top: 1px dashed var(--c-border-strong); margin: 2em 0; }
.article-content pre {
  background: #0f1b2d;
  color: #d6e2f5;
  padding: 16px 18px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.7;
}

/* 附件 */
.article-attachments {
  margin-top: 28px;
  padding: 18px 20px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.article-attachments h4 {
  margin: 0 0 12px;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-sans);
}
.article-attachments li + li { margin-top: 9px; }
.article-attachments a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  font-size: 13.5px;
  transition: all var(--dur) var(--ease);
}
.article-attachments a:hover {
  border-color: var(--c-primary);
  background: var(--c-primary-50);
  transform: translateX(2px);
}

/* 标签 */
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.article-tags .tag { cursor: default; }

/* 上一篇 / 下一篇 */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--c-border);
}
.article-pager a, .article-pager .none {
  padding: 14px 18px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--c-text-sub);
  transition: all var(--dur) var(--ease);
  min-width: 0;
}
.article-pager a:hover { border-color: var(--c-primary-300); background: var(--c-primary-50); color: var(--c-primary); }
.article-pager .lbl { display: block; font-size: 12px; color: var(--c-text-mute); margin-bottom: 5px; }
.article-pager .txt { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-pager .next { text-align: right; }
.article-pager .none { color: var(--c-text-mute); cursor: default; }

/* ==================== 活动页 ==================== */
.activity-detail-head {
  display: flex;
  gap: 26px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 24px;
}
.activity-detail-head .cover {
  flex-shrink: 0;
  width: 340px;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  background: var(--c-bg-mute);
}
.activity-detail-head .cover img { width: 100%; height: 100%; object-fit: cover; }
.activity-detail-head .info { flex: 1; min-width: 0; }
.activity-detail-head h1 { margin: 0 0 6px; font-size: 26px; line-height: 1.4; }
.activity-detail-head .subtitle { color: var(--c-text-sub); font-size: 15px; margin-bottom: 16px; }

.info-table { width: 100%; font-size: 14px; margin-bottom: 16px; }
.info-table td { padding: 8px 0; border-bottom: 1px dashed var(--c-border); vertical-align: top; }
.info-table td.k {
  width: 96px;
  color: var(--c-text-mute);
  white-space: nowrap;
  padding-right: 14px;
}
.info-table td.v { color: var(--c-text); }
.info-table tr:last-child td { border-bottom: 0; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}
.gallery .item {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--c-border);
  cursor: zoom-in;
  background: var(--c-bg-mute);
}
.gallery .item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery .item:hover img { transform: scale(1.08); }

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 20, 44, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lightbox .close {
  position: absolute;
  top: 22px;
  right: 26px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox .close:hover { background: rgba(255, 255, 255, 0.14); }

/* ==================== 专家页 ==================== */
.expert-hero {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 26px;
  background: linear-gradient(120deg, var(--c-primary-50), #fff 65%);
  border: 1px solid var(--c-primary-100);
  border-radius: var(--radius);
  margin-bottom: 22px;
}
.expert-hero .avatar {
  flex-shrink: 0;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, var(--c-primary-100), var(--c-primary-300));
  position: relative;
}
.expert-hero .avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-hero .avatar .fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: #fff;
}
.expert-hero .info { flex: 1; min-width: 0; }
.expert-hero h1 { margin: 0 0 8px; font-size: 28px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.expert-hero .role {
  font-size: 15px;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 4px;
}
.expert-hero .org { font-size: 14.5px; color: var(--c-text-sub); margin-bottom: 14px; }
.expert-hero .fields { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.expert-hero .summary { font-size: 14.5px; color: var(--c-text-sub); line-height: 1.9; margin: 0; }

.expert-directory {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.expert-directory .group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-border);
  border-top: 1px solid var(--c-border);
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-primary-900);
}
.expert-directory .group-head:first-child { border-top: 0; }
.expert-directory .group-head::before {
  content: "";
  width: 4px;
  height: 17px;
  background: var(--c-gold);
  border-radius: 2px;
}
.expert-directory .group-head .count { font-family: var(--font-sans); font-size: 12.5px; color: var(--c-text-mute); font-weight: 400; }
.expert-directory .members {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-border);
}
.directory-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 18px;
  background: var(--c-bg);
  color: var(--c-text);
  transition: background var(--dur) var(--ease);
}
.directory-item:hover { background: var(--c-primary-50); }
.directory-item .av {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-primary-100), var(--c-primary-300));
  position: relative;
}
.directory-item .av img { width: 100%; height: 100%; object-fit: cover; }
.directory-item .av .fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
}
.directory-item .who { min-width: 0; }
.directory-item .who .name { font-size: 15.5px; font-weight: 600; color: var(--c-primary-900); }
.directory-item:hover .who .name { color: var(--c-primary-500); }
.directory-item .who .pos {
  font-size: 12.5px;
  color: var(--c-text-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==================== 关于页 ==================== */
.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.about-text p { font-size: 15.5px; line-height: 2.05; color: #2b3745; margin-bottom: 1.1em; text-indent: 2em; }
.about-text h3 {
  font-size: 19px;
  margin: 1.7em 0 0.8em;
  padding-left: 12px;
  border-left: 4px solid var(--c-gold);
}
.about-text h3:first-child { margin-top: 0; }
.about-side .stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
}
.stat-cell { background: var(--c-bg); padding: 20px 14px; text-align: center; }
.stat-cell .num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-cell .num small { font-size: 14px; margin-left: 2px; color: var(--c-primary-300); }
.stat-cell .lbl { font-size: 12.5px; color: var(--c-text-mute); margin-top: 5px; }

/* 组织架构 */
.org-chart { display: flex; flex-direction: column; align-items: center; gap: 0; padding: 10px 0; }
.org-node {
  padding: 12px 26px;
  background: var(--c-bg);
  border: 1px solid var(--c-primary-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary-900);
  text-align: center;
  box-shadow: var(--shadow-sm);
  min-width: 220px;
}
.org-node.root { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.org-node.leaf { font-weight: 400; font-size: 14px; min-width: 0; padding: 9px 18px; border-color: var(--c-border-strong); color: var(--c-text-sub); }
.org-link { width: 1px; height: 22px; background: var(--c-border-strong); }
.org-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; padding-top: 22px; position: relative; }
.org-row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--c-border-strong);
}
.org-row .org-node { position: relative; }
.org-row .org-node::before {
  content: "";
  position: absolute;
  top: -22px;
  left: 50%;
  width: 1px;
  height: 22px;
  background: var(--c-border-strong);
}

/* 大事记时间轴 */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-primary-300), var(--c-border));
}
.timeline li { position: relative; padding-bottom: 22px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 3px solid var(--c-primary-300);
}
.timeline li:first-child::before { border-color: var(--c-gold); background: var(--c-gold); }
.timeline .year {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 3px;
}
.timeline .desc { font-size: 14px; color: var(--c-text-sub); line-height: 1.8; }

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.contact-cell {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
}
.contact-cell:hover { border-color: var(--c-primary-300); box-shadow: var(--shadow); }
.contact-cell .ico {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--c-primary-50);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-cell h4 { margin: 0 0 4px; font-size: 15px; font-family: var(--font-sans); }
.contact-cell p { margin: 0; font-size: 13.5px; color: var(--c-text-sub); line-height: 1.7; }

/* ==================== 搜索页 ==================== */
.search-hero {
  padding: 40px 0 32px;
  background: linear-gradient(115deg, var(--c-primary-900), var(--c-primary) 60%, var(--c-primary-500));
  color: #fff;
}
.search-hero h1 { color: #fff; font-size: 26px; margin: 0 0 18px; letter-spacing: 2px; text-align: center; }
.search-hero .form {
  display: flex;
  max-width: 660px;
  margin: 0 auto;
  height: 48px;
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.search-hero .form input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  padding: 0 22px;
  font-size: 15px;
  color: var(--c-text);
}
.search-hero .form button {
  flex-shrink: 0;
  padding: 0 30px;
  border: 0;
  background: var(--c-primary);
  color: #fff;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: background var(--dur) var(--ease);
}
.search-hero .form button:hover { background: var(--c-primary-700); }
.search-hero .hot {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.search-hero .hot a {
  padding: 2px 11px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.85);
}
.search-hero .hot a:hover { background: rgba(255, 255, 255, 0.16); color: #fff; }

.search-result-summary {
  padding: 14px 0;
  font-size: 14px;
  color: var(--c-text-sub);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: 18px;
}
.search-result-summary strong { color: var(--c-primary); font-size: 16px; margin: 0 3px; }
.search-group { margin-bottom: 30px; }
.search-group > h3 {
  font-size: 18px;
  margin: 0 0 14px;
  padding-left: 11px;
  border-left: 4px solid var(--c-primary);
}
.search-item {
  padding: 16px 0;
  border-bottom: 1px dashed var(--c-border);
}
.search-item h4 { margin: 0 0 7px; font-size: 17px; font-family: var(--font-sans); font-weight: 600; }
.search-item h4 a { color: var(--c-primary-700); }
.search-item h4 a:hover { color: var(--c-accent); text-decoration: underline; }
.search-item .summary {
  font-size: 14px;
  color: var(--c-text-sub);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.search-item .meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--c-text-mute); }
.search-item mark { background: #fff2c2; color: #8a5b00; padding: 0 2px; border-radius: 2px; }

/* ==================== 404 ==================== */
.notfound {
  min-height: 62vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 60px 20px;
}
.notfound .code {
  font-family: var(--font-serif);
  font-size: 96px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-primary-100);
  letter-spacing: 4px;
}
.notfound h1 { font-size: 24px; margin: 0; }
.notfound p { color: var(--c-text-sub); margin: 0 0 10px; }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .page-body { grid-template-columns: minmax(0, 1fr); }
  .page-aside { position: static; }
  .about-intro { grid-template-columns: 1fr; gap: 24px; }
  .expert-directory .members { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .activity-detail-head .cover { width: 260px; }
}

@media (max-width: 768px) {
  .article-head h1 { font-size: 22px; }
  .article-content { font-size: 15.5px; line-height: 1.95; }
  .article-pager { grid-template-columns: 1fr; }
  .article-pager .next { text-align: left; }

  .activity-detail-head { flex-direction: column; gap: 16px; padding: 16px 0; }
  .activity-detail-head .cover { width: 100%; }
  .activity-detail-head h1 { font-size: 20px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .expert-hero { flex-direction: column; align-items: center; text-align: center; padding: 20px; gap: 16px; }
  .expert-hero .avatar { width: 112px; height: 112px; }
  .expert-hero h1 { font-size: 22px; justify-content: center; }
  .expert-hero .fields { justify-content: center; }
  .expert-directory .members { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .about-side .stat-grid { grid-template-columns: 1fr 1fr; }
  .org-row { gap: 10px; }
  .org-node { min-width: 0; padding: 9px 14px; font-size: 13.5px; }

  .search-hero { padding: 28px 0 24px; }
  .search-hero h1 { font-size: 20px; }
  .search-hero .form { height: 44px; border-radius: 22px; }
  .search-hero .form button { padding: 0 18px; }

  .filter-bar { gap: 8px; }
  .filter-bar .search-inline .input { width: 130px; }
  .notfound .code { font-size: 64px; }
}