/* ==========================================================================
   众智商学院官网 - 页面级样式
   与 style.css 配套使用；全站容器统一 1200px。
   ========================================================================== */

:root {
  --zz-primary: #1e3a8a;
  --zz-primary-light: #2563eb;
  --zz-gold: #f59e0b;
  --zz-ink: #0f172a;
  --zz-text: #475569;
  --zz-muted: #64748b;
  --zz-line: #e2e8f0;
  --zz-bg-soft: #f1f5f9;
  --zz-radius: 14px;
  --zz-shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

html { scroll-behavior: smooth; }
body { min-height: 100%; display: flex; flex-direction: column; }
main { display: block; flex: 1 0 auto; }

/* 全站宽度统一：1200px */
.nav-inner,
.section-inner,
.footer-inner,
.footer-bottom,
.quick-entry,
.breadcrumb-inner { max-width: 1200px; }

/* 无 JS 时的兜底：所有内容默认可见 */
html:not(.js) .reveal { opacity: 1 !important; transform: none !important; }

/* 无障碍跳转 */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--zz-primary); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 顶部通栏 ---------- */
.top-notice strong { color: #fff8dc; }
.top-notice a { color: #fff; }

/* ---------- 导航：下拉 + 移动端 ---------- */
.nav-links { gap: 18px; font-size: .9rem; }
.nav-links a.active { color: var(--zz-primary); font-weight: 700; }
.nav-links .nav-cta { color: #fff !important; }
.nav-drop { position: relative; }
.nav-drop > a { display: inline-flex; align-items: center; gap: 4px; }
.nav-drop > a i { font-style: normal; font-size: .7rem; opacity: .65; }
.nav-drop-menu {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  background: #fff; border: 1px solid var(--zz-line); border-radius: 10px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, .12);
  padding: 8px; min-width: 240px; opacity: 0; visibility: hidden;
  transition: all .18s ease; z-index: 60;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu { opacity: 1; visibility: visible; transform: translate(-50%, 4px); }
.nav-drop-menu a { display: block; padding: 9px 14px; border-radius: 8px; font-size: .88rem; color: var(--zz-text); white-space: nowrap; }
.nav-drop-menu a:hover { background: #eff6ff; color: var(--zz-primary); }

.nav-toggle-cb { display: none; }
.nav-burger { display: none; width: 42px; height: 42px; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; padding: 0 8px; }
.nav-burger span { display: block; height: 2px; background: var(--zz-primary); border-radius: 2px; }

/* ---------- 面包屑 ---------- */
.breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--zz-line); font-size: .84rem; }
.breadcrumb-inner { margin: 0 auto; padding: 12px 24px; color: var(--zz-muted); }
.breadcrumb-inner a { color: var(--zz-muted); }
.breadcrumb-inner a:hover { color: var(--zz-primary); }
.bc-sep { margin: 0 8px; color: #cbd5e1; }
.bc-current { color: var(--zz-ink); font-weight: 600; }

/* ---------- 内页头部区块 ---------- */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #2563eb 100%);
  padding: 58px 24px 62px; text-align: center;
}
.page-hero::before {
  content: ""; position: absolute; top: -140px; right: -80px; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(245, 158, 11, .18), transparent 70%); border-radius: 50%;
}
.page-hero::after {
  content: ""; position: absolute; bottom: -160px; left: -60px; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(59, 130, 246, .3), transparent 70%); border-radius: 50%;
}
.page-hero-inner { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; }
.page-hero h1 { font-size: 2.3rem; font-weight: 800; letter-spacing: 1px; margin-bottom: 14px; line-height: 1.35; }
.page-hero h1 em { font-style: normal; color: #fbbf24; }
.page-hero p { font-size: 1.02rem; color: rgba(255, 255, 255, .88); max-width: 860px; margin: 0 auto; }
.page-hero .ph-meta { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.page-hero .ph-meta span {
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50px; padding: 7px 18px; font-size: .85rem;
}
.page-hero .ph-meta span b { color: #fbbf24; }

/* ---------- 通用卡片 / 栅格 ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.panel {
  background: #fff; border: 1px solid var(--zz-line); border-radius: var(--zz-radius);
  padding: 28px 26px; transition: all .25s;
}
.panel:hover { box-shadow: var(--zz-shadow); border-color: #c7d7f5; }
.panel h3 { font-size: 1.1rem; font-weight: 700; color: var(--zz-ink); margin-bottom: 10px; }
.panel h3 .ico { margin-right: 6px; }
.panel p { font-size: .9rem; color: var(--zz-muted); line-height: 1.8; }
.panel ul { list-style: none; margin-top: 12px; }
.panel ul li { font-size: .88rem; color: var(--zz-text); line-height: 1.9; padding-left: 18px; position: relative; }
.panel ul li::before { content: "•"; position: absolute; left: 4px; color: var(--zz-primary-light); }

/* 按钮 */
.btn {
  display: inline-block; padding: 12px 30px; border-radius: 8px; font-weight: 700; font-size: .95rem;
  transition: all .22s; text-align: center;
}
.btn-primary { background: linear-gradient(135deg, var(--zz-primary), var(--zz-primary-light)); color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(37, 99, 235, .36); }
.btn-gold { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; box-shadow: 0 6px 18px rgba(245, 158, 11, .3); }
.btn-gold:hover { transform: translateY(-2px); }
.btn-ghost { background: #fff; border: 1px solid var(--zz-line); color: var(--zz-primary); }
.btn-ghost:hover { border-color: var(--zz-primary-light); }
.btn-block { display: block; width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 26px; }

/* 章节小标题 */
.block-title { font-size: 1.35rem; font-weight: 800; color: var(--zz-ink); margin-bottom: 14px; padding-left: 14px; border-left: 4px solid var(--zz-primary-light); }
.block-title-sm { font-size: 1.08rem; font-weight: 700; color: var(--zz-ink); margin: 26px 0 12px; }
.lead { font-size: 1rem; color: var(--zz-text); line-height: 1.95; }

/* ---------- 资讯卡片（可点击） ---------- */
.news-card { overflow: hidden; }
a.news-card { display: block; color: inherit; }
a.news-card:hover { transform: translateY(-5px); }
.news-card .news-body h4 { font-size: 1rem; line-height: 1.55; }
.news-card .news-body h4 a { color: var(--zz-ink); }
.news-card .news-body h4 a:hover { color: var(--zz-primary-light); }
.news-list-item {
  display: flex; gap: 18px; align-items: flex-start; padding: 22px 0; border-bottom: 1px dashed var(--zz-line);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item .nl-thumb {
  flex: 0 0 74px; height: 74px; border-radius: 12px; background: linear-gradient(135deg, #e0ecff, #c7dbff);
  display: flex; align-items: center; justify-content: center; font-size: 1.7rem;
}
.news-list-item .nl-body { flex: 1; min-width: 0; }
.news-list-item .nl-body h3 { font-size: 1.06rem; font-weight: 700; color: var(--zz-ink); margin-bottom: 8px; }
.news-list-item .nl-body h3 a:hover { color: var(--zz-primary-light); }
.news-list-item .nl-body p { font-size: .88rem; color: var(--zz-muted); line-height: 1.8; }
.news-list-meta { margin-top: 10px; font-size: .78rem; color: #94a3b8; display: flex; gap: 16px; flex-wrap: wrap; }
.news-list-meta .cat { color: var(--zz-primary-light); font-weight: 600; }

/* ---------- 文章详情 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
@media (max-width: 1024px) { .article-layout { grid-template-columns: 1fr; } }
.article-card { background: #fff; border: 1px solid var(--zz-line); border-radius: var(--zz-radius); padding: 34px 38px; }
@media (max-width: 640px) { .article-card { padding: 24px 20px; } }
.article-head { border-bottom: 1px solid var(--zz-line); padding-bottom: 20px; margin-bottom: 24px; }
.article-head h1 { font-size: 1.8rem; line-height: 1.45; color: var(--zz-ink); font-weight: 800; }
.article-meta { margin-top: 14px; font-size: .84rem; color: #94a3b8; display: flex; flex-wrap: wrap; gap: 18px; }
.article-meta a { color: var(--zz-primary-light); }

/* 要点速览（GEO：方便 AI 直接摘录） */
.tldr {
  background: #f0f7ff; border: 1px solid #cfe2ff; border-left: 4px solid var(--zz-primary-light);
  border-radius: 10px; padding: 18px 22px; margin-bottom: 26px;
}
.tldr h2 { font-size: .95rem !important; margin: 0 0 10px !important; border: none !important; padding: 0 !important; color: var(--zz-primary) !important; }
.tldr h2::before { display: none; }
.tldr ul { margin: 0; padding-left: 20px; }
.tldr li { font-size: .9rem; color: var(--zz-text); line-height: 1.9; }

.article-body { font-size: 1rem; color: #334155; line-height: 2; }
.article-body h2 {
  font-size: 1.3rem; color: var(--zz-ink); font-weight: 800; margin: 38px 0 16px;
  padding-left: 14px; border-left: 4px solid var(--zz-primary-light); line-height: 1.5;
}
.article-body h3 { font-size: 1.08rem; color: var(--zz-primary); font-weight: 700; margin: 26px 0 12px; }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--zz-ink); }
.article-body blockquote {
  background: var(--zz-bg-soft); border-left: 4px solid #cbd5e1; border-radius: 8px;
  padding: 16px 20px; margin: 20px 0; color: var(--zz-text); font-size: .94rem;
}
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .9rem; }
.article-body th, .article-body td { border: 1px solid var(--zz-line); padding: 11px 14px; text-align: left; }
.article-body th { background: var(--zz-bg-soft); color: var(--zz-ink); font-weight: 700; }
.article-body a { color: var(--zz-primary-light); text-decoration: underline; }
.article-tags { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.article-tags a {
  font-size: .82rem; color: var(--zz-primary); background: #eef4ff; border: 1px solid #dbe7ff;
  padding: 6px 14px; border-radius: 50px;
}
.article-foot {
  margin-top: 30px; padding-top: 20px; border-top: 1px dashed var(--zz-line);
  font-size: .84rem; color: var(--zz-muted); line-height: 1.9;
}
.article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 26px; font-size: .88rem; }
.article-nav a { color: var(--zz-primary-light); }

/* 侧边栏 */
.sidebar { position: sticky; top: 88px; display: grid; gap: 20px; }
@media (max-width: 1024px) { .sidebar { position: static; } }
.sidebar-box { background: #fff; border: 1px solid var(--zz-line); border-radius: var(--zz-radius); padding: 22px; }
.sidebar-box h3 { font-size: 1rem; font-weight: 800; color: var(--zz-ink); margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--zz-bg-soft); }
.sidebar-box ul { list-style: none; }
.sidebar-box li { padding: 9px 0; border-bottom: 1px dashed #eef2f7; font-size: .88rem; }
.sidebar-box li:last-child { border-bottom: none; }
.sidebar-box li a { color: var(--zz-text); }
.sidebar-box li a:hover { color: var(--zz-primary-light); }
.sidebar-box .hot-num {
  display: inline-block; width: 20px; height: 20px; line-height: 20px; text-align: center;
  background: var(--zz-bg-soft); color: var(--zz-muted); border-radius: 5px; font-size: .72rem; margin-right: 8px;
}
.sidebar-box .hot-num.top3 { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; }
.sidebar-contact { background: linear-gradient(135deg, #1e3a8a, #2563eb); color: #fff; border: none; }
.sidebar-contact h3 { color: #fff; border-bottom-color: rgba(255, 255, 255, .2); }
.sidebar-contact p { font-size: .86rem; color: rgba(255, 255, 255, .85); line-height: 1.9; }
.sidebar-contact .big-tel { font-size: 1.3rem; font-weight: 800; color: #fbbf24; letter-spacing: 1px; margin: 8px 0 14px; }
.sidebar-contact .btn { background: #fff; color: var(--zz-primary); }

/* 分页 */
.pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 40px; }
.pager-link {
  min-width: 40px; text-align: center; padding: 9px 14px; border-radius: 8px;
  border: 1px solid var(--zz-line); background: #fff; color: var(--zz-text); font-size: .88rem;
}
.pager-link:hover { border-color: var(--zz-primary-light); color: var(--zz-primary); }
.pager-link.current { background: linear-gradient(135deg, var(--zz-primary), var(--zz-primary-light)); border-color: transparent; color: #fff; font-weight: 700; }
.pager-gap { padding: 9px 4px; color: #94a3b8; }

/* 分类筛选 */
.cat-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 34px; }
.cat-filter a {
  padding: 8px 20px; border-radius: 50px; border: 1px solid var(--zz-line); background: #fff;
  font-size: .87rem; color: var(--zz-text);
}
.cat-filter a:hover { border-color: var(--zz-primary-light); color: var(--zz-primary); }
.cat-filter a.current { background: var(--zz-primary); border-color: var(--zz-primary); color: #fff; font-weight: 600; }

/* ---------- FAQ（details 原生折叠，无需 JS） ---------- */
.faq-list { max-width: 900px; margin: 0 auto; }
details.faq-item { background: #fff; border: 1px solid var(--zz-line); border-radius: 12px; margin-bottom: 14px; }
details.faq-item[open] { border-color: #bfdbfe; box-shadow: 0 10px 26px rgba(37, 99, 235, .08); }
details.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--zz-ink);
  font-size: .98rem; display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: "＋"; color: var(--zz-primary-light); font-size: 1.1rem; font-weight: 700; }
details.faq-item[open] summary::after { content: "－"; }
details.faq-item .faq-a { padding: 0 22px 20px; font-size: .92rem; color: var(--zz-muted); line-height: 1.95; }

/* ---------- 表单与提示 ---------- */
.signup-box h3 { text-align: center; font-size: 1.75rem; font-weight: 800; color: #0f172a; margin-bottom: 8px; }

.form-alert {
  border-radius: 10px; padding: 14px 20px; font-size: .92rem; margin-bottom: 20px;
}
.form-alert.success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.form-alert.error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.form-alert.info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }
.form-group textarea {
  width: 100%; border: 1px solid var(--zz-line); border-radius: 8px; padding: 12px 14px;
  font-size: .95rem; font-family: inherit; min-height: 110px; outline: none;
}
.form-group textarea:focus { border-color: var(--zz-primary-light); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
.form-group label { display: block; font-size: .88rem; font-weight: 600; color: var(--zz-ink); margin-bottom: 7px; }
.form-note { font-size: .8rem; color: #94a3b8; }

/* ---------- 通用信息表格 ---------- */
.info-table { width: 100%; border-collapse: collapse; background: #fff; font-size: .9rem; }
.info-table th, .info-table td { border: 1px solid var(--zz-line); padding: 13px 16px; text-align: left; }
.info-table thead th { background: linear-gradient(135deg, #1e3a8a, #2563eb); color: #fff; font-weight: 600; white-space: nowrap; }
.info-table tbody tr:nth-child(even) { background: #f8fafc; }

/* ---------- CTA 区块 ---------- */
.cta-band {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #2563eb 100%);
  color: #fff; border-radius: 18px; padding: 38px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; }
.cta-band p { font-size: .92rem; color: rgba(255, 255, 255, .82); }
.cta-band .cta-tel { font-size: 1.25rem; font-weight: 800; color: #fbbf24; letter-spacing: 1px; }
.cta-band .btn { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; }

/* ---------- 认证项目详情 ---------- */
.cd-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: -30px; position: relative; z-index: 5;
}
@media (max-width: 900px) { .cd-meta { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .cd-meta { grid-template-columns: 1fr; } }
.cd-meta-item {
  background: #fff; border: 1px solid var(--zz-line); border-radius: 12px; padding: 20px 18px;
  text-align: center; box-shadow: 0 10px 26px rgba(15, 23, 42, .07);
}
.cd-meta-item .k { font-size: .78rem; color: var(--zz-muted); }
.cd-meta-item .v { font-size: 1.1rem; font-weight: 800; color: var(--zz-primary); margin-top: 6px; }
.cd-price {
  background: linear-gradient(135deg, #fff7ed, #ffedd5); border: 1px solid #fed7aa;
  border-radius: 14px; padding: 24px 26px;
}
.cd-price .p-main { font-size: 2rem; font-weight: 800; color: #ea580c; }
.cd-price .p-main small { font-size: .9rem; font-weight: 500; color: var(--zz-muted); }
.cd-price ul { list-style: none; margin-top: 14px; }
.cd-price li { font-size: .88rem; color: #7c2d12; line-height: 1.95; }
.check-list { list-style: none; }
.check-list li { position: relative; padding-left: 26px; font-size: .92rem; color: var(--zz-text); line-height: 2.05; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #10b981; font-weight: 700; }

/* 流程步骤（横向） */
.steps-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
@media (max-width: 900px) { .steps-flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps-flow { grid-template-columns: 1fr; } }
.steps-flow .step { background: #fff; border: 1px solid var(--zz-line); border-radius: 12px; padding: 22px 18px; position: relative; }
.steps-flow .step .n {
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--zz-primary), var(--zz-primary-light)); color: #fff; font-weight: 800; margin-bottom: 12px;
}
.steps-flow .step h4 { font-size: .95rem; color: var(--zz-ink); margin-bottom: 8px; }
.steps-flow .step p { font-size: .84rem; color: var(--zz-muted); line-height: 1.8; }

/* ---------- 师资卡片 ---------- */
.teacher-card { background: #fff; border: 1px solid var(--zz-line); border-radius: 14px; padding: 26px 22px; text-align: center; transition: all .25s; }
.teacher-card:hover { transform: translateY(-5px); box-shadow: var(--zz-shadow); }
.teacher-card .avatar-lg {
  width: 74px; height: 74px; border-radius: 50%; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #2563eb); color: #fff; font-size: 1.5rem; font-weight: 800;
}
.teacher-card h3 { font-size: 1.02rem; color: var(--zz-ink); margin-bottom: 6px; }
.teacher-card .role { font-size: .8rem; color: var(--zz-primary-light); font-weight: 600; margin-bottom: 10px; }
.teacher-card p { font-size: .85rem; color: var(--zz-muted); line-height: 1.85; text-align: left; }

/* ---------- 站点地图 / 列表 ---------- */
.sitemap-group { background: #fff; border: 1px solid var(--zz-line); border-radius: 12px; padding: 24px 26px; margin-bottom: 20px; }
.sitemap-group h2 { font-size: 1.05rem; color: var(--zz-ink); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--zz-bg-soft); }
.sitemap-group ul { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px 24px; }
@media (max-width: 768px) { .sitemap-group ul { grid-template-columns: 1fr; } }
.sitemap-group li { font-size: .88rem; padding: 6px 0; }
.sitemap-group li a { color: var(--zz-text); }
.sitemap-group li a:hover { color: var(--zz-primary-light); }
.sitemap-group li .date { float: right; color: #94a3b8; font-size: .78rem; }

/* ---------- 页脚补充 ---------- */
.footer-tip { font-size: .8rem; color: #64748b; }
.footer-cta {
  display: inline-block; margin-top: 14px; padding: 9px 20px; border-radius: 8px;
  background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; font-size: .86rem; font-weight: 700;
}
.footer-col ul li a { color: #94a3b8; }
.footer-col ul li a:hover { color: #fff; }
.fb-line { margin-bottom: 6px; }
.fb-beian a { color: #94a3b8; }
.fb-beian a:hover { color: #fff; }

/* ---------- 联系页 ---------- */
.contact-block { background: #fff; border: 1px solid var(--zz-line); border-radius: 14px; padding: 28px; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-bottom: 1px dashed var(--zz-line); }
.contact-line:last-child { border-bottom: none; }
.contact-line .ci { font-size: 1.25rem; line-height: 1.4; }
.contact-line .ct strong { display: block; color: var(--zz-ink); font-size: .95rem; margin-bottom: 3px; }
.contact-line .ct span { font-size: .88rem; color: var(--zz-muted); }

/* ---------- 数据统计条（内页复用） ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--zz-line); border-radius: 14px; overflow: hidden; }
@media (max-width: 700px) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }
.stat-strip .stat { background: #fff; padding: 24px 16px; text-align: center; }
.stat-strip .stat .num { font-size: 1.7rem; font-weight: 800; color: var(--zz-primary); }
.stat-strip .stat .num small { font-size: .9rem; }
.stat-strip .stat .label { font-size: .82rem; color: var(--zz-muted); margin-top: 4px; }

/* ---------- 移动端导航 ---------- */
@media (max-width: 1080px) {
  .nav-links { gap: 14px; font-size: .85rem; }
}
@media (max-width: 900px) {
  .nav-burger { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--zz-line); box-shadow: 0 18px 30px rgba(15, 23, 42, .1);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 18px 18px;
  }
  .nav-toggle-cb:checked ~ .nav-links { display: flex; }
  .nav-links > a, .nav-drop > a { padding: 13px 4px; border-bottom: 1px solid #f1f5f9; font-size: .95rem; }
  .nav-drop-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 0 14px; min-width: 0; }
  .nav-links .nav-cta { margin-top: 12px; text-align: center; border-bottom: none; }
  .navbar { position: relative; }
  .nav-inner { position: relative; height: auto; min-height: 68px; padding: 10px 18px; }
  .page-hero h1 { font-size: 1.75rem; }
  .cta-band { padding: 28px 24px; }
}
@media (max-width: 768px) {
  .news-list-item { flex-direction: column; gap: 12px; }
  .article-head h1 { font-size: 1.4rem; }
}