/* =============================================================
   zkzt-official · 科技深蓝（中科助腾官网定制）
   -------------------------------------------------------------
   设计来源：旧项目「01 科技深蓝」主题（theme01.css / nav-fixed.css）
   视觉语言：深蓝导航底白字、整幅 Banner、卡片网格、深蓝页脚
   约束：只允许引用 --tk-* 变量（03 §1）；响应式（S-7）
   ============================================================= */

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--tk-font-family, system-ui, sans-serif);
  background: var(--tk-bg, #fff);
  color: var(--tk-text, #1f2937);
  line-height: 1.7;
}
h1, h2, h3, h4, h5 {
  font-family: var(--tk-font-heading, 'Microsoft YaHei', sans-serif);
  line-height: 1.3;
  margin: 0 0 .5em;
}
a { color: var(--tk-primary, #0b3d91); text-decoration: none; }
a:hover { color: var(--tk-primary-hover, #092e6e); text-decoration: underline; }
img { max-width: 100%; height: auto; border: 0; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
p { margin: 0 0 1em; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--tk-primary, #0b3d91); color: #fff;
  padding: 8px 16px; border-radius: 6px; z-index: 200;
}
.skip-link:focus { left: 8px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 11px 28px;
  border-radius: var(--tk-radius, 4px);
  font-size: 15px; font-weight: 600; letter-spacing: .5px;
  cursor: pointer; text-align: center;
  border: 2px solid transparent;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: var(--tk-primary, #0b3d91); color: #fff;
  box-shadow: 0 6px 16px rgba(11, 61, 145, .24);
}
.btn-primary:hover { background: var(--tk-primary-hover, #092e6e); color: #fff; }
.btn-outline {
  border-color: var(--tk-primary, #0b3d91); color: var(--tk-primary, #0b3d91); background: #fff;
}
.btn-outline:hover { background: var(--tk-primary, #0b3d91); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-nav-cta {
  background: rgba(255, 255, 255, .14); color: #fff;
  border-color: rgba(255, 255, 255, .55);
}
.btn-nav-cta:hover { background: #fff; color: var(--tk-primary, #0b3d91); }

/* ---------- 顶栏：深蓝实色粘性导航（科技深蓝） ---------- */
.site-header {
  background: var(--tk-nav-bg, #0b3d91);
  position: relative; top: 0; left: 0; right: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(10, 29, 80, .25);
}
.is-sticky .site-header { position: sticky; }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--tk-nav-text, #fff); min-width: 0;
}
.brand:hover { color: #fff; text-decoration: none; }
.brand-logo { flex: none; width: 44px; height: 44px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.brand-name {
  font-size: 20px; font-weight: 700; letter-spacing: 2px;
  color: var(--tk-nav-text, #fff); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.brand-sub { font-size: 11px; color: rgba(255, 255, 255, .75); letter-spacing: .5px; }

.site-nav { display: flex; align-items: center; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 42px; height: 42px; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: #fff; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-list { display: flex; list-style: none; gap: 2px; margin: 0; padding: 0; align-items: center; }
.nav-list a {
  display: block; color: rgba(255, 255, 255, .92);
  padding: 8px 9px; border-radius: 4px; font-size: 14px;
  white-space: nowrap;   /* 栏目多时标签内不换行（否则「首页」会被拆成两行） */
}
.nav-list a:hover { background: rgba(255, 255, 255, .14); color: #fff; text-decoration: none; }
.nav-list a.active { background: rgba(255, 255, 255, .18); color: #fff; font-weight: 600; }
.nav-cta { margin-left: 8px; }

/* ---------- Hero：整幅 Banner + 深蓝渐变遮罩 ---------- */
.hero {
  position: relative;
  min-height: 480px;
  display: flex; align-items: center;
  overflow: hidden; color: #fff;
  background-color: var(--tk-primary, #0b3d91);
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11, 34, 88, .88) 0%, rgba(11, 61, 145, .68) 55%, rgba(47, 87, 168, .45) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; padding: 70px 20px; }
.hero h1 { font-size: 42px; line-height: 1.28; margin-bottom: 12px; color: #fff; }
.hero-slogan { font-size: 22px; font-weight: 600; margin-bottom: 14px; color: #fff; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 轮播（原站首页四张 Banner：左右箭头 + 指示点，文案做在图里） */
.hero-carousel { min-height: 600px; display: block; padding: 0; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity .6s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 72px; border: 0; cursor: pointer;
  background: rgba(0, 0, 0, .22); color: #fff; font-size: 34px; line-height: 1;
  transition: background .2s;
}
.hero-nav:hover, .hero-nav:focus-visible { background: rgba(0, 0, 0, .45); }
.hero-prev { left: 0; }
.hero-next { right: 0; }
.hero-dots {
  position: absolute; left: 0; right: 0; bottom: 24px; z-index: 3;
  display: flex; gap: 12px; justify-content: center;
}
.hero-dot {
  width: 12px; height: 12px; padding: 0; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .5); cursor: pointer; transition: background .2s;
}
.hero-dot.is-active, .hero-dot:hover { background: #fff; }

/* ---------- 区块通用 ---------- */
.section { padding: 72px 0; }
.section-white { background: var(--tk-bg, #fff); }
.section-blue { background: var(--tk-bg-alt, #f6f8fa); }
.section-gray { background: var(--tk-bg-alt, #f6f8fa); }

.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 {
  font-size: 30px; color: var(--tk-primary, #0b3d91);
  position: relative; display: inline-block;
  padding-bottom: 12px; margin-bottom: 10px;
}
.section-head h2::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0;
  width: 52px; height: 3px; border-radius: 2px;
  background: var(--tk-accent, #1a73e8);
}
.section-head p { color: var(--tk-muted, #6b7280); }
.section-more { text-align: center; margin-top: 40px; }

/* ---------- 卡片网格 ---------- */
.card-grid { display: grid; gap: 26px; }
.grid-solutions { grid-template-columns: repeat(4, 1fr); }
.grid-products { grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--tk-border, #e5e7eb);
  border-radius: var(--tk-radius, 4px);
  box-shadow: 0 6px 24px rgba(11, 61, 145, .08);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(11, 61, 145, .16); }

.solution-card { text-align: center; padding: 34px 22px 30px; }
.solution-card h3 { font-size: 17px; color: var(--tk-primary, #0b3d91); margin-bottom: 8px; }
.solution-card h3 a { color: var(--tk-primary, #0b3d91); }
.solution-card p { color: var(--tk-muted, #6b7280); font-size: 14px; margin: 0; }

/* 产品服务三张卡片（原站首页 COMPANY SERVICES） */
.grid-services { grid-template-columns: repeat(3, 1fr); }
.service-card { text-align: center; padding: 36px 24px 32px; }
.service-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; margin-bottom: 16px; font-size: 26px;
  border-radius: 50%; background: var(--tk-bg-alt, #f6f8fa);
}
.service-card h3 { font-size: 18px; color: var(--tk-primary, #0b3d91); margin-bottom: 10px; }
.service-card p { color: var(--tk-muted, #6b7280); font-size: 14px; margin: 0; }

.product-card { background: #fff; }
.product-thumb { display: block; background: var(--tk-bg-alt, #f6f8fa); }
.product-thumb img { width: 100%; height: 160px; object-fit: cover; display: block; }
.product-card .card-body { padding: 18px 20px 20px; }
.product-card h3 { font-size: 16px; color: var(--tk-primary, #0b3d91); margin-bottom: 6px; }
.product-card h3 a { color: var(--tk-primary, #0b3d91); }
.product-card p { color: var(--tk-muted, #6b7280); font-size: 13px; margin: 0; }

/* ---------- 发展历程时间轴（关于我们页，对齐原站左右交替样式） ---------- */
.timeline-wrap { margin-top: 48px; }
.timeline-heading {
  font-size: 24px; color: var(--tk-primary, #0b3d91);
  text-align: center; margin-bottom: 34px;
}
.timeline { position: relative; max-width: 900px; margin: 0 auto; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: var(--tk-border, #e5e7eb); transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 40px 30px 0; text-align: right; }
.tl-item:nth-child(even) {
  margin-left: 50%; padding: 0 0 30px 40px; text-align: left;
}
.tl-item::before {
  content: ""; position: absolute; top: 10px; right: -7px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--tk-primary, #0b3d91);
}
.tl-item:nth-child(even)::before { left: -7px; right: auto; }
.tl-year {
  font-size: 26px; font-weight: 700; line-height: 1.1;
  color: var(--tk-primary, #0b3d91);
}
.tl-title {
  display: inline-block; margin: 6px 0 8px; padding: 4px 14px;
  background: var(--tk-accent, #1a73e8); color: #fff;
  border-radius: 3px; font-size: 15px; font-weight: 600;
}
.tl-text { color: var(--tk-muted, #6b7280); font-size: 14px; margin: 0; }

/* ---------- 解决方案页：应用介绍列表（对齐原站 /alzx 的带框条目 + 右对齐日期） ---------- */
.prose-solutions ul {
  list-style: none; padding: 0; margin: 18px 0 8px;
  border: 1px solid var(--tk-border, #e5e7eb); border-radius: var(--tk-radius, 4px);
  background: #fff;
}
.prose-solutions ul li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 11px 20px; font-size: 15px;
  border-bottom: 1px dashed var(--tk-border, #e5e7eb);
}
.prose-solutions ul li:last-child { border-bottom: 0; }
.prose-solutions ul li:hover { background: var(--tk-bg-alt, #f6f8fa); }
.prose-solutions ul li a { flex: 1 1 auto; color: var(--tk-text, #1f2937); text-decoration: none; }
.prose-solutions ul li a:hover { color: var(--tk-primary, #0b3d91); }
.prose-solutions ul li span {
  flex: none; color: var(--tk-muted, #6b7280); font-size: 13px;
}
.prose-solutions ul li::before {
  content: ""; flex: none; width: 5px; height: 5px; border-radius: 50%;
  background: var(--tk-accent, #1a73e8); margin-right: 2px; align-self: center;
}
@media (max-width: 720px) {
  .prose-solutions ul li { flex-wrap: wrap; gap: 4px; }
}

/* 解决方案页：成功案例网格与上方「应用介绍」框同宽对齐（.prose 是 820px 居中），
   卡片随之收窄——原来铺满 1160px 显得过大且左右边缘对不上。 */
.tabs-solutions { max-width: 820px; margin-left: auto; margin-right: auto; }
.tabs-solutions .grid-products-three { grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tabs-solutions .grid-products-three .product-thumb img { height: 170px; }
.tabs-solutions .product-card .card-body { padding: 14px 16px 16px; }
.tabs-solutions .product-card h3 { font-size: 14px; }
.tabs-solutions .product-card p { font-size: 12.5px; }
@media (max-width: 720px) {
  .tabs-solutions .grid-products-three { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 标签页（产品中心的分类标签，对齐原站 /cpzx） ---------- */
.tabs { margin-top: 8px; }
.tablist {
  display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 30px;
  border-bottom: 2px solid var(--tk-border, #e5e7eb);
}
.tab {
  padding: 11px 24px; font-size: 15px; background: none; border: 0; cursor: pointer;
  color: var(--tk-text, #1f2937); border-bottom: 3px solid transparent; margin-bottom: -2px;
  font-family: inherit;
}
.tab:hover { color: var(--tk-primary, #0b3d91); }
.tab.is-active {
  background: var(--tk-accent, #1a73e8); color: #fff; font-weight: 600;
  border-bottom-color: var(--tk-accent, #1a73e8);
}
.tabpanel { display: none; }
.tabpanel.is-active { display: block; }

/* 产品中心 3 列（原站卡片约 391×220） */
.grid-products-three { grid-template-columns: repeat(3, 1fr); }
.grid-products-three .product-thumb img { height: 220px; }
@media (max-width: 980px) { .grid-products-three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-products-three { grid-template-columns: 1fr; } }

/* ---------- 新闻中心：侧栏 + 分类标签 + 分页（对齐原站 /xwzx） ---------- */
.news-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.news-sidebar { position: sticky; top: 88px; }
.sidebar-block { margin-bottom: 30px; }
.sidebar-title {
  font-size: 16px; color: var(--tk-primary, #0b3d91); margin-bottom: 12px;
  padding-left: 10px; border-left: 3px solid var(--tk-accent, #1a73e8); line-height: 1.3;
}
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li {
  display: flex; justify-content: space-between; gap: 10px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px dashed var(--tk-border, #e5e7eb); font-size: 14px;
}
.sidebar-list a {
  color: var(--tk-text, #1f2937); text-decoration: none;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar-list a:hover { color: var(--tk-primary, #0b3d91); }
.sidebar-date { flex: none; color: var(--tk-muted, #6b7280); font-size: 12px; }
.sidebar-list .muted { color: var(--tk-muted, #6b7280); }

.news-tabs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 26px; border-bottom: 2px solid var(--tk-border, #e5e7eb); }
.news-tab {
  padding: 10px 22px; font-size: 15px; color: var(--tk-text, #1f2937);
  text-decoration: none; border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.news-tab:hover { color: var(--tk-primary, #0b3d91); }
.news-tab.is-active {
  background: var(--tk-accent, #1a73e8); color: #fff; font-weight: 600;
  border-bottom-color: var(--tk-accent, #1a73e8);
}

.pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 36px; }
.pager-btn, .pager-num {
  display: inline-block; min-width: 36px; padding: 8px 12px; text-align: center;
  border: 1px solid var(--tk-border, #e5e7eb); border-radius: 3px;
  color: var(--tk-text, #1f2937); font-size: 14px; text-decoration: none; background: #fff;
}
.pager-btn:hover, .pager-num:hover { border-color: var(--tk-accent, #1a73e8); color: var(--tk-accent, #1a73e8); }
.pager-num.is-active { background: var(--tk-accent, #1a73e8); border-color: var(--tk-accent, #1a73e8); color: #fff; }
.pager-btn.is-disabled { color: #c3c9d4; background: var(--tk-bg-alt, #f6f8fa); }

@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; gap: 28px; }
  .news-sidebar { position: static; }
}

/* ---------- 链接列表两列（诚聘英才等） ---------- */
.link-grid-wrap { margin-top: 44px; }
.link-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px;
}
.link-grid li {
  border: 1px solid var(--tk-border, #e5e7eb);
  border-radius: var(--tk-radius, 4px);
  background: #fff;
}
.link-grid a {
  display: block; padding: 14px 18px;
  color: var(--tk-primary, #0b3d91); font-size: 15px; text-decoration: none;
}
.link-grid a:hover { background: var(--tk-bg-alt, #f6f8fa); }

/* ---------- 资质与合作伙伴（首页） ---------- */
.grid-qualifications { grid-template-columns: repeat(3, 1fr); }
.qualification-card { padding: 26px 24px; text-align: center; }
.qualification-quote {
  color: var(--tk-text, #1f2937); font-size: 15px; line-height: 1.6; margin: 0 0 10px;
}
.qualification-author { color: var(--tk-muted, #6b7280); font-size: 13px; margin: 0; }

@media (max-width: 720px) {
  .timeline::before { left: 8px; }
  .tl-item, .tl-item:nth-child(even) {
    width: 100%; margin-left: 0; padding: 0 0 26px 30px; text-align: left;
  }
  .tl-item::before, .tl-item:nth-child(even)::before { left: 2px; right: auto; }
  .grid-services, .grid-qualifications { grid-template-columns: 1fr; }
}

/* 数据统计（关于我们等内页；与 corp-site 同一套视觉） */
.stats-row {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 48px; margin: 36px 0 8px; text-align: center;
}
.stat strong {
  display: block; font-size: 34px; line-height: 1.15;
  color: var(--tk-primary, #0b3d91); font-weight: 700;
}
.stat span { color: var(--tk-muted, #6b7280); font-size: 14px; }

/* 内页产品网格：按分类分组的标题（产品中心页 /products/） */
.product-group { margin-top: 44px; }
.product-group:first-of-type { margin-top: 32px; }
.product-group-title {
  font-size: 20px;
  color: var(--tk-primary, #0b3d91);
  margin-bottom: 20px;
  padding-left: 12px;
  border-left: 4px solid var(--tk-accent, #1a73e8);
  line-height: 1.3;
}

/* ---------- 新闻列表（首页） ---------- */
.news-list { list-style: none; max-width: 860px; margin: 0 auto; }
.news-list li {
  display: flex; align-items: baseline; gap: 20px;
  padding: 15px 4px; border-bottom: 1px dashed var(--tk-border, #e5e7eb);
}
.news-list time {
  flex: none; font-family: Consolas, Menlo, monospace; font-size: 13px;
  color: var(--tk-primary, #0b3d91); background: var(--tk-bg-alt, #f6f8fa);
  padding: 2px 10px; border-radius: 4px;
}
.news-title-wrap { display: flex; align-items: baseline; gap: 12px; min-width: 0; flex: 1; }
.news-title-wrap a { font-size: 16px; color: var(--tk-text, #1f2937); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-title-wrap a:hover { color: var(--tk-primary, #0b3d91); }
.news-category {
  flex: none; background: var(--tk-bg-alt, #f6f8fa); color: var(--tk-primary, #0b3d91);
  padding: 2px 12px; border-radius: 20px; font-size: 12px;
}

/* ---------- 新闻列表（列表页） ---------- */
.news-full-list { list-style: none; }
.news-item { display: flex; gap: 22px; padding: 26px 0; border-bottom: 1px solid var(--tk-border, #e5e7eb); }
.news-item:last-child { border-bottom: 0; }
.news-thumb { flex: none; width: 190px; }
.news-thumb img { width: 190px; height: 128px; object-fit: cover; border-radius: var(--tk-radius, 4px); }
.news-body h2 { font-size: 20px; margin: 6px 0; }
.news-body h2 a { color: var(--tk-text, #1f2937); }
.news-body h2 a:hover { color: var(--tk-primary, #0b3d91); }
.news-meta { display: flex; gap: 14px; align-items: center; color: var(--tk-muted, #6b7280); font-size: 13px; margin: 0; }
.news-body p { color: var(--tk-muted, #6b7280); font-size: 14px; }

/* ---------- 关于我们 ---------- */
.about-layout {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 44px; align-items: center;
  max-width: 980px; margin: 0 auto;
}
.about-body { font-size: 16px; }
.about-image img { border-radius: var(--tk-radius, 4px); box-shadow: 0 6px 24px rgba(11, 61, 145, .1); }

/* ---------- 页面横幅 ---------- */
.page-banner {
  background: linear-gradient(120deg, #0b2258 0%, var(--tk-primary, #0b3d91) 60%, var(--tk-accent, #1a73e8) 100%);
  color: #fff; padding: 56px 0; text-align: center; position: relative;
}
.page-banner::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: linear-gradient(90deg, var(--tk-accent, #1a73e8), transparent 70%);
}
.page-banner-thin { padding: 44px 0; }

/* 照片横幅（原站各栏目页头部）：文字已做在图里，不叠加标题 */
.page-banner-photo {
  padding: 0; min-height: 321px;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.page-banner-photo::after { height: 0; }   /* 照片横幅不要金色下划线 */

/* 仅供屏幕阅读器与搜索引擎（照片横幅下仍保留 h1） */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
@media (max-width: 720px) {
  .page-banner-photo { min-height: 180px; }
}
.page-banner h1 { font-size: 34px; margin-bottom: 8px; color: #fff; }
.page-banner p { color: rgba(255, 255, 255, .85); margin: 0; }
.article-meta { display: flex; justify-content: center; gap: 16px; color: rgba(255, 255, 255, .85); font-size: 14px; margin: 0; }

/* ---------- 面包屑 / 正文 ---------- */
.breadcrumb { font-size: 13px; color: var(--tk-muted, #6b7280); margin-bottom: 20px; }
.breadcrumb a { color: var(--tk-primary, #0b3d91); }
.prose { max-width: 820px; margin: 0 auto; font-size: 16px; }
.prose-center { text-align: left; }
.prose h2, .prose h3 { color: var(--tk-primary, #0b3d91); }
.prose blockquote {
  border-left: 4px solid var(--tk-primary, #0b3d91);
  background: var(--tk-bg-alt, #f6f8fa);
  margin: 1em 0; padding: 8px 16px; border-radius: 4px;
}
.prose img { border-radius: var(--tk-radius, 4px); max-width: 100%; height: auto; }
/* 正文里并排写的多张图（如服务中心的三张服务卡片）横向排列 */
.prose p > img + img { margin-left: 14px; }
.article-cover { border-radius: var(--tk-radius, 4px); box-shadow: 0 6px 24px rgba(11, 61, 145, .1); margin-bottom: 24px; }
.article-back { border-top: 1px solid var(--tk-border, #e5e7eb); margin-top: 36px; padding-top: 16px; }

/* ---------- 联系 CTA ---------- */
.contact-cta { text-align: center; }
.contact-cta h2 { color: var(--tk-primary, #0b3d91); margin-bottom: 8px; }
.contact-cta p { color: var(--tk-muted, #6b7280); }

/* ---------- 页脚：深蓝三栏 + 蓝线下划线 ---------- */
.site-footer {
  background: var(--tk-footer-bg, #0a1d50);
  color: var(--tk-footer-text, #d6deee);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 40px; padding: 48px 20px;
}
.footer-col h3 {
  color: #fff; font-size: 16px; margin-bottom: 14px;
  position: relative; padding-bottom: 10px;
}
.footer-col h3::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 32px; height: 2px; background: var(--tk-accent, #1a73e8);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li + li { margin-top: 8px; }
.footer-col a { color: rgba(255, 255, 255, .85); }
.footer-col a:hover { color: #fff; }
.footer-about p { color: var(--tk-footer-text, #d6deee); margin: 0; }
.footer-contact a { color: rgba(255, 255, 255, .85); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 16px 0; text-align: center; font-size: 13px;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255, 255, 255, .7); }

/* ---------- 提示 / 空状态 ---------- */
.empty-tip { color: var(--tk-muted, #6b7280); text-align: center; padding: 24px 0; }

/* ---------- 入场动画（main.js 添加 is-visible） ---------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* =============================================================
   响应式（S-7）
   ============================================================= */
@media (max-width: 960px) {
  .grid-solutions { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-layout { grid-template-columns: 1fr; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 34px; }
  .hero-slogan { font-size: 19px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav { position: relative; }
  .nav-list {
    display: none;
    position: absolute; top: calc(100% + 10px); right: 0;
    flex-direction: column; min-width: 220px;
    background: var(--tk-primary-hover, #092e6e);
    border-radius: 8px; box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
    padding: 8px;
  }
  .nav-list.open { display: flex; }
  .nav-list a { padding: 12px 16px; }
  .nav-cta { margin-left: 0; margin-top: 4px; }
  .hero { min-height: 380px; }
  .hero h1 { font-size: 28px; }
  .hero-slogan { font-size: 18px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .grid-solutions, .grid-products { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .news-thumb, .news-thumb img { width: 100%; height: 170px; }
  .news-title-wrap { flex-direction: column; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .page-banner { padding: 40px 0; }
  .page-banner h1 { font-size: 26px; }
}