/* 公开可读 HTML 页（/seo/*）轻量样式，不依赖前端构建 */
:root {
  --seo-bg: #f5f7fa;
  --seo-text: #323233;
  --seo-muted: #646566;
  --seo-link: #1989fa;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--seo-text);
  background: var(--seo-bg);
}
/* 与下方卡片同一语境：浅色顶栏 + 细色条，避免大块深色「头重」 */
.seo-hd {
  padding: 1rem 0 1.05rem;
  background: #fff;
  border-bottom: 1px solid #e8ecf1;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
  border-top: 3px solid #3d7eff;
}
.seo-hd h1 {
  margin: 0 auto 0.45rem;
  padding: 0 1rem;
  max-width: 40rem;
  box-sizing: border-box;
  font-size: 1.28rem;
  line-height: 1.35;
  color: #0f172a;
  font-weight: 750;
}
.seo-tip {
  margin: 0 auto;
  padding: 0 1rem;
  max-width: 40rem;
  box-sizing: border-box;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #64748b;
}
.seo-tip a {
  color: var(--seo-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.seo-tip a:hover {
  color: #0570c9;
}
.seo-main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 1rem;
}
.seo-list-tag {
  margin: 0 0 0.7rem;
}
.seo-list-tag span {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.76rem;
  color: #2563eb;
  background: #dbeafe;
  border: 1px solid #bfdbfe;
  font-weight: 600;
}
.seo-group {
  margin: 0 0 0.95rem;
}
.seo-group-title {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  color: var(--seo-muted);
  font-weight: 700;
}
.seo-nav {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  font-size: 0.88rem;
}
.seo-nav p {
  margin: 0;
}
.seo-nav a {
  color: var(--seo-link);
}
.seo-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.05rem 1.15rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid #ebedf0;
}
.seo-card--accent {
  border-color: #bfdbfe;
  background: linear-gradient(180deg, #f8fbff 0%, #fff 48%);
}
.seo-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
  line-height: 1.45;
}
.seo-card time {
  display: block;
  font-size: 0.82rem;
  color: var(--seo-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed #ebedf0;
}
.seo-body p,
.seo-body ul {
  margin: 0 0 0.7rem;
}
.seo-body p:last-child,
.seo-body ul:last-child {
  margin-bottom: 0;
}
.seo-body p {
  white-space: pre-wrap;
  text-align: justify;
  word-break: break-word;
}
.seo-body ul {
  padding-left: 1.15rem;
}
.seo-body li {
  margin: 0 0 0.45rem;
  line-height: 1.65;
}
.seo-body a {
  color: var(--seo-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.seo-pager {
  margin-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.seo-pager__btn {
  display: block;
  padding: 0.52rem 0.68rem;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #2563eb;
  text-decoration: none;
  font-size: 0.86rem;
  line-height: 1.45;
}
.seo-card-action {
  margin: 0.6rem 0 0;
}
.seo-btn {
  display: inline-block;
  padding: 0.34rem 0.72rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #3d7eff, #1989fa);
  text-decoration: none;
}
.seo-ft {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  font-size: 0.9rem;
}
.seo-ft a {
  color: var(--seo-link);
}
.seo-ft-internal {
  margin: 0 0 1rem;
}
.seo-ft-beian {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--seo-muted);
}
.seo-ft-beian a {
  color: inherit;
  text-decoration: none;
}
.seo-ft-beian a:hover {
  text-decoration: underline;
}
.seo-friendly {
  max-width: 36rem;
  margin: 0 auto;
  text-align: left;
  padding: 0.75rem 0 0;
  border-top: 1px solid #ebedf0;
}
.seo-friendly-title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--seo-text);
}
.seo-friendly-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}
.seo-friendly-list a {
  color: var(--seo-link);
}
.seo-friendly-note {
  margin: 0.65rem 0 0;
  font-size: 0.75rem;
  color: var(--seo-muted);
  line-height: 1.5;
}
.seo-faq-list {
  margin: 0;
  padding-left: 1.1rem;
}
.seo-faq-list li {
  margin: 0 0 0.45rem;
}
.seo-faq-list li:last-child {
  margin-bottom: 0;
}

.seo-more-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
}
.seo-more-list__item {
  margin: 0;
}
.seo-more-list__a {
  display: inline-block;
  padding: 0.34rem 0.6rem;
  border-radius: 999px;
  background: #f1f5ff;
  border: 1px solid #dbeafe;
  color: #1d4ed8;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.3;
}
.seo-more-list__a:active {
  opacity: 0.9;
}

/* 公告详情页「更多公告」：纵向列表，便于扫读 */
.seo-announce-more {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
}
.seo-announce-more__item {
  margin: 0;
  border-top: 1px solid #ebedf0;
}
.seo-announce-more__item:first-child {
  border-top: 0;
}
.seo-announce-more__a {
  display: block;
  padding: 0.7rem 0;
  color: var(--seo-link);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.5;
  word-break: break-word;
}
.seo-announce-more__a:hover {
  text-decoration: underline;
}
.seo-announce-more__a:focus-visible {
  outline: 2px solid var(--seo-link);
  outline-offset: 2px;
}