/* Kaiyun - 中国(官方网站) - 国家认证服务平台
   站群通用样式（政务蓝白 / 信息型排版）
*/

:root{
  --bg:#F5F7FB;
  --panel:#FFFFFF;
  --text:#0F172A;
  --muted:#475569;
  --muted-2:#64748B;
  --line:#E2E8F0;
  --brand:#0B4DBA;
  --brand-2:#0EA5E9;
  --accent:#DC2626;
  --shadow: 0 10px 28px rgba(15,23,42,.08);
  --shadow-soft: 0 6px 18px rgba(15,23,42,.06);
  --radius-xl: 16px;
  --radius-lg: 14px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --max: 1180px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          "Noto Sans CJK SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  min-height:100vh;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button, input, select, textarea{ font: inherit; }

/* 工具类 */
.container{ max-width: var(--max); margin:0 auto; padding: 0 18px; }
.stack{ display:flex; flex-direction:column; gap: 14px; }
.grid{ display:grid; gap: 16px; }
.muted{ color: var(--muted); }
.muted-2{ color: var(--muted-2); }
.mono{ font-family: var(--mono); }

.pill{
  display:inline-flex; align-items:center; gap: 8px;
  padding: 7px 12px;
  background: #F8FAFC;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}
.badge{
  display:inline-flex; align-items:center; gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #F8FAFC;
  color: var(--muted);
  font-size: 12px;
}
.badge i{ width: 8px; height: 8px; border-radius: 999px; background: var(--brand); display:inline-block; }

.card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  overflow:hidden;
}
.card-inner{ padding: 18px; }
.glass{ /* 保留类名，便于复用结构 */ }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--text);
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{ transform: translateY(-1px); background: #F8FAFC; border-color: #CBD5E1; }
.btn:active{ transform: translateY(0); }
.btn-primary{
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  border-color: rgba(11,77,186,.25);
  color: #FFFFFF;
}
.btn-primary:hover{ background: linear-gradient(90deg, #0A43A4, #0387C4); }
.btn-ghost{ background: transparent; border-color: #CBD5E1; }

.section{ padding: 44px 0; }
.section-title{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap: 12px; margin-bottom: 16px;
}
.section-title h2{ margin:0; font-size: 22px; letter-spacing: .2px; }
.section-title p{ margin:0; color: var(--muted); font-size: 14px; }

/* 顶部信息条（深蓝） */
.topbar{
  position: sticky;
  top:0;
  z-index: 50;
  background: #0B2B6B;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: rgba(255,255,255,.92);
}
.topbar-left{ display:flex; gap: 10px; flex-wrap:wrap; align-items:center; }
.dot{
  width: 6px; height: 6px; border-radius: 999px;
  background: #FFFFFF;
  box-shadow: 0 0 14px rgba(255,255,255,.45);
}
.topbar-right{ display:flex; gap: 10px; align-items:center; }
.link{
  color: rgba(255,255,255,.92);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255,255,255,.30);
}
.link:hover{ border-bottom-color: rgba(255,255,255,.55); }

/* 头部导航（白底） */
.header{
  position: sticky;
  top: 33px;
  z-index: 45;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
}
.header.glass{ background: rgba(255,255,255,.94); }
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0; gap: 12px;
}
.brand{
  display:flex; align-items:center; gap: 10px;
  min-width: 260px;
}
.logo{
  width: 38px; height: 38px;
  border-radius: 12px;
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.35), transparent 60%),
    linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 12px 22px rgba(11,77,186,.18);
}
.brand-title{ display:flex; flex-direction:column; line-height: 1.2; }
.brand-title strong{ font-size: 14px; letter-spacing: .2px; }
.brand-title span{ font-size: 12px; color: var(--muted); }

.nav-links{ display:flex; align-items:center; gap: 12px; }
.nav-links a{
  padding: 9px 10px;
  border-radius: 10px;
  color: #0F172A;
  border: 1px solid transparent;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
  font-size: 14px;
}
.nav-links a:hover{
  background: #F1F5F9;
  border-color: #E2E8F0;
  color: #0F172A;
}
.nav-links a.active{
  background: rgba(11,77,186,.08);
  border-color: rgba(11,77,186,.22);
  color: var(--brand);
}
.nav-actions{ display:flex; align-items:center; gap: 10px; }
.nav-toggle{
  display:none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--text);
  cursor:pointer;
}

/* 移动端菜单 */
.mobile-panel{
  display:none;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.98);
}
.mobile-panel .container{ padding-top: 12px; padding-bottom: 16px; }
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #F8FAFC;
  margin-bottom: 10px;
}
.mobile-panel a:last-child{ margin-bottom:0; }
.mobile-panel a span{ color: var(--muted); font-size: 13px; }

/* 面包屑 */
.breadcrumb{
  padding: 18px 0 6px;
  color: var(--muted);
  font-size: 13px;
}
.breadcrumb a{ color: var(--brand); }
.breadcrumb span{ margin: 0 8px; color: #94A3B8; }

/* 主视觉（旧结构保留） */
.hero{ padding: 26px 0 34px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 18px;
  align-items:stretch;
}
.hero-main{
  padding: 26px;
  min-height: 340px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  position: relative;
}
.hero-kicker{ display:flex; gap: 10px; flex-wrap:wrap; align-items:center; }
.hero-title{ margin: 10px 0 8px; font-size: 34px; letter-spacing: .2px; line-height: 1.18; }
.hero-desc{ margin:0; color: var(--muted); font-size: 15px; line-height: 1.7; max-width: 62ch; }
.hero-cta{ display:flex; gap: 10px; flex-wrap:wrap; margin-top: 14px; }

.hero-side{ display:flex; flex-direction:column; gap: 14px; }
.stat{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap: 12px; padding: 16px;
}
.stat strong{ font-size: 22px; letter-spacing: .2px; }
.stat small{ display:block; color: var(--muted); margin-top: 6px; }
.stat .tag{
  font-size: 12px;
  color: #0F172A;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #F8FAFC;
}

/* 列表与卡片 */
.cards-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-4{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature{ padding: 18px; }
.feature h3{ margin: 0 0 8px; font-size: 16px; }
.feature p{ margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.icon{
  width: 40px; height: 40px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background:
    radial-gradient(16px 16px at 30% 30%, rgba(255,255,255,.70), transparent 60%),
    linear-gradient(135deg, rgba(11,77,186,.14), rgba(14,165,233,.10));
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 12px;
}
.icon svg{ width: 20px; height: 20px; opacity:.92; }

/* 富文本区域 */
.prose{ color: var(--muted); line-height: 1.85; font-size: 15px; }
.prose h2, .prose h3{ color: var(--text); margin: 18px 0 10px; }
.prose h2{ font-size: 20px; }
.prose h3{ font-size: 16px; }
.prose p{ margin: 10px 0; }
.prose ul, .prose ol{ margin: 10px 0; padding-left: 18px; }
.prose li{ margin: 6px 0; }
.prose code{
  font-family: var(--mono);
  background: #F1F5F9;
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 8px;
  color: #0F172A;
}

/* 表单 */
.form{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field{ display:flex; flex-direction:column; gap: 8px; }
.field label{ font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea{
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--text);
  outline: none;
}
.field textarea{ min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: rgba(11,77,186,.45);
  box-shadow: 0 0 0 3px rgba(11,77,186,.12);
}
.form .full{ grid-column: 1 / -1; }
.form-actions{ display:flex; gap: 10px; flex-wrap:wrap; align-items:center; }
.hint{ font-size: 12px; color: var(--muted-2); }

/* 新闻 */
.news-toolbar{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  padding: 12px 14px;
}
.search{ display:flex; align-items:center; gap: 10px; min-width: min(520px, 100%); }
.search input{
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--text);
  outline:none;
}
.news-list{ padding: 8px 14px 14px; }
.news-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  margin-top: 10px;
}
.news-item:first-child{ margin-top: 0; }
.news-item h3{ margin:0; font-size: 15px; letter-spacing:.2px; }
.news-item p{ margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.news-meta{ display:flex; gap: 10px; flex-wrap:wrap; align-items:center; margin-top: 8px; color: var(--muted-2); font-size: 12px; }
.news-meta .dot2{ width: 4px; height: 4px; border-radius: 999px; background: #CBD5E1; display:inline-block; }
.news-side{ display:flex; flex-direction:column; align-items:flex-end; gap: 8px; }
.news-date{ font-family: var(--mono); font-size: 12px; color: rgba(15,23,42,.55); }

/* 页脚 */
.footer{
  padding: 30px 0;
  border-top: 1px solid var(--line);
  background: #FFFFFF;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  gap: 16px;
}
.footer h4{ margin: 0 0 10px; font-size: 14px; }
.footer a{ color: #0F172A; }
.footer a:hover{ color: var(--brand); }
.footer small{ color: var(--muted); display:block; margin-top: 14px; line-height: 1.6; }
.footer .kv{ display:flex; gap: 10px; flex-wrap:wrap; }
.kv .k{ color: var(--muted-2); }
.kv .v{ color: var(--text); }

/* 回到顶部 */
.to-top{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #FFFFFF;
  color: var(--text);
  box-shadow: var(--shadow-soft);
  display:none;
  cursor:pointer;
}
.to-top.show{ display:block; }

/* =========================
   首页轮播（横幅）
   ========================= */
.carousel{
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #FFFFFF;
  box-shadow: var(--shadow);
}
.carousel-viewport{ overflow: hidden; }
.carousel-track{
  display:flex;
  width: 100%;
  transition: transform .42s ease;
  will-change: transform;
}
.carousel-slide{
  min-width: 100%;
  padding: 34px 26px;
  position: relative;
}
.carousel-slide:before{
  content:"";
  position:absolute;
  inset:0;
  background: var(--slide-bg, linear-gradient(90deg, rgba(11,77,186,.16), rgba(14,165,233,.10)));
  pointer-events:none;
}
.carousel-slide > *{ position: relative; z-index: 1; }
.carousel-slide h2{
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: .2px;
}
.carousel-slide p{
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.75;
}
.carousel-actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-top: 16px;
}
.carousel-meta{ margin-top: 18px; }
.carousel-btn{
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.55);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow-soft);
  cursor:pointer;
}
.carousel-btn:hover{ background:#FFFFFF; border-color:#94A3B8; }
.carousel-btn.prev{ left: 12px; }
.carousel-btn.next{ right: 12px; }
.carousel-btn:active{ transform: translateY(-50%) scale(.98); }
.carousel-dots{
  position:absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
}
.carousel-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.65);
  background: rgba(255,255,255,.85);
  cursor:pointer;
}
.carousel-dot.active{
  background: var(--brand);
  border-color: rgba(11,77,186,.55);
}

/* 响应式 */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }
  .cards-4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cards-3{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links{ display:none; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .mobile-panel.show{ display:block; }
  .hero-title{ font-size: 28px; }
  .section{ padding: 36px 0; }
  .cards-3, .cards-2{ grid-template-columns: 1fr; }
  .form{ grid-template-columns: 1fr; }
  .search{ min-width: 100%; }
  .carousel-slide{ padding: 22px 16px; }
  .carousel-slide h2{ font-size: 22px; }
  .carousel-btn{ display:none; } /* 移动端以滑动为主 */
}

/* =========================
   站内推荐（内链模块）
   ========================= */
.link-hub{
  padding: 14px 0 44px;
}
.link-hub-title{
  margin: 0 0 10px;
  font-size: 20px;
}
.link-hub-desc{
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.75;
}
.link-hub-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.link-hub-col{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 14px;
}
.link-hub-col h3{
  margin: 0 0 10px;
  font-size: 15px;
}
.link-hub-links{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}
.ilink{
  display:inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #F8FAFC;
  color: var(--text);
  font-size: 13px;
}
.ilink:hover{
  border-color: rgba(11,77,186,.25);
  background: rgba(11,77,186,.06);
  color: var(--brand);
}

@media (max-width: 980px){
  .link-hub-grid{ grid-template-columns: 1fr; }
}

/* =========================
   FAQ（可见模块 + 交互）
   ========================= */
.faq{
  padding: 0 0 44px;
}
.faq .section-title{
  margin-bottom: 12px;
}
.faq .section-title{ /* 兼容 s1 输出的 h2.section-title */
  display:block;
}
.faq-list{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.faq-item{
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  overflow:hidden;
}
.faq-q{
  width: 100%;
  text-align:left;
  background: #FFFFFF;
  border: none;
  padding: 14px 14px;
  font-size: 14px;
  color: var(--text);
  cursor:pointer;
  display:flex;
  gap: 8px;
  align-items:flex-start;
}
.faq-q span{ color: var(--brand); font-weight: 600; }
.faq-a{
  display:none;
  padding: 0 14px 14px;
  color: var(--muted);
  line-height: 1.8;
}
.faq-item.is-open .faq-a{ display:block; }
.faq-item.is-open .faq-q{ background: #F8FAFC; }

/* =========================
   404 页面（框架输出）
   ========================= */
.page-404 main.section{ padding-top: 28px; }
.notfound-actions{ margin-top: 12px; }