/* ===== 慧博科技主题主样式 ===== */
:root {
  --primary: #1890ff;
  --primary-dark: #096dd9;
  --text: #333;
  --text-secondary: #666;
  --text-light: #999;
  --border: #e8e8e8;
  --bg: #f5f7fa;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 14px; line-height: 1.6; color: var(--text); background: #fff;
}
a { color: inherit; text-decoration: none; transition: color .3s; }
img { max-width: 100%; height: auto; display: inline-block; }
button { font-family: inherit; }

.main-layout { min-height: 100vh; display: flex; flex-direction: column; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1560px; margin: 0 auto; padding: 0 80px; }

/* ── Header ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.header.header-fixed { background: rgba(255,255,255,.98); backdrop-filter: blur(10px); box-shadow: 0 2px 10px rgba(0,0,0,.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; }
.logo-image { height: 40px; width: auto; object-fit: contain; }

.nav { display: flex; gap: 32px; align-items: center; }
.nav-item-wrapper { position: relative; }
.nav-item {
  color: #333; font-size: 15px; text-decoration: none; padding: 8px 0;
  position: relative; transition: color .3s; display: inline-flex; align-items: center; gap: 4px;
}
.nav-item::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: width .3s;
}
.nav-item:hover, .nav-item.active { color: var(--primary); }
.nav-item:hover::after, .nav-item.active::after { width: 100%; }
.nav-item-dropdown { cursor: pointer; }
a.nav-item-dropdown { cursor: pointer; }
.dropdown-icon { transition: transform .3s; }
.nav-item-wrapper:hover .dropdown-icon { transform: rotate(180deg); }

/* ── Mega Menu ── */
.mega-menu {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 480px; background: #fff; border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12); border: 1px solid #f0f0f0;
  opacity: 0; visibility: hidden; transition: all .25s ease; z-index: 999;
}
.nav-item-wrapper:hover .mega-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.mega-menu-wide {
  position: fixed; top: 70px; left: 50%; right: auto;
  width: min(1560px, calc(100vw - 40px));
  transform: translateX(-50%) translateY(-8px);
}
.nav-item-wrapper:hover .mega-menu-wide { transform: translateX(-50%) translateY(0); }
.mega-menu-narrow { width: 200px; }
.mega-inner { padding: 20px 20px 24px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
.mega-inner--three-cols { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px 6px; }
.mega-inner--three-cols .mega-products {
  display: grid; grid-auto-flow: column; grid-template-rows: repeat(5, auto);
  grid-auto-columns: minmax(190px, 1fr); gap: 8px; padding-left: 8px; align-items: start;
}
.mega-inner--three-cols .mega-product-item { min-width: 0; padding: 6px 4px; }
.mega-inner--three-cols .mega-product-name-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mega-inner--rows { display: flex; flex-direction: column; padding: 16px 28px 20px; }
.mega-inner--rows .mega-group { flex-direction: column; gap: 10px; padding: 8px 0; }
.mega-inner--rows .mega-products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 0; padding-left: 24px; }
.mega-inner--rows .mega-product-item { padding: 0 8px; }
.mega-inner--rows .mega-product-desc { display: none; }
.mega-inner--rows .mega-product-name { font-size: 15px; font-weight: 400; color: #333; white-space: normal; }
.mega-inner--rows .mega-product-item:hover .mega-product-name { color: var(--primary); }
.mega-group { display: flex; flex-direction: column; gap: 8px; }
.mega-group-title { display: flex; align-items: center; gap: 10px; font-size: 16px; color: var(--primary); }
.mega-group-dot { width: 10px; height: 10px; border-radius: 50%; border: 3px solid var(--primary); background: #fff; flex-shrink: 0; }
.mega-group-link { color: var(--primary); font-size: 15px; font-weight: 400; }
.mega-group-link:hover { opacity: .75; }
.mega-products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 32px; padding-left: 20px; }
.mega-product-item { display: flex; flex-direction: column; gap: 2px; padding: 8px 12px; border-radius: 6px; transition: background .2s; }
.mega-product-item:hover { background: #f0f7ff; }
.mega-product-item:hover .mega-product-name { color: var(--primary); }
.mega-product-name { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 400; color: #1a1a2e; transition: color .2s; }
.mega-hot-tag {
  display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 16px;
  padding: 0 6px; border-radius: 999px; background: linear-gradient(135deg,#ff4d4f,#ff7875);
  color: #fff; font-size: 10px; font-weight: 700; font-style: italic; flex-shrink: 0;
}
.mega-product-desc { font-size: 13px; color: #888; line-height: 1.5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Header actions ── */
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone { display: flex; align-items: center; gap: 5px; color: #555; font-size: 18px; font-weight: 500; }
.header-phone:hover { color: var(--primary); }
.btn-consult {
  background: var(--primary); border: none; color: #fff; font-size: 14px; font-weight: 600;
  padding: 8px 20px; border-radius: 6px; cursor: pointer; transition: background .25s;
}
.btn-consult:hover { background: #40a9ff; }
/* 顶部导航「立即咨询」按钮：全站统一，不受页面级 .btn-consult 覆盖影响 */
.btn-nav-consult {
  background: var(--primary); border: none; color: #fff; font-size: 14px; font-weight: 600;
  padding: 8px 20px; border-radius: 6px; cursor: pointer; transition: background .25s;
}
.btn-nav-consult:hover { background: #40a9ff; }
.mobile-header-actions { display: none; }
.mobile-menu-btn { display: none; cursor: pointer; padding: 8px; color: #333; }

/* ── Mobile nav ── */
.mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 9998; }
.mobile-nav {
  position: fixed; top: 70px; left: 0; right: 0; bottom: 0; background: #fff; z-index: 9999;
  overflow-y: auto; transform: translateX(-100%); transition: transform .3s ease; padding: 8px 0;
  box-shadow: 4px 0 20px rgba(0,0,0,.15); display: none;
}
.mobile-nav.mobile-nav-active { transform: translateX(0); }
.mobile-nav-item {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 24px;
  font-size: 16px; font-weight: 500; color: #222; border-bottom: 1px solid #f0f0f0; min-height: 56px;
}
.mobile-nav-item-parent { cursor: pointer; }
.mobile-nav-group { border-bottom: 1px solid #f0f0f0; }
.mobile-nav-children { max-height: 0; overflow: hidden; transition: max-height .3s ease; background: #f8f9fb; }
.mobile-nav-children.expanded { max-height: 2000px; }
.mobile-nav-child { display: block; padding: 14px 24px 14px 40px; font-size: 15px; color: #555; border-bottom: 1px solid #efefef; }
.mobile-nav-child:last-child { border-bottom: none; }
.mobile-dropdown-icon { transition: transform .3s; color: #999; }
.mobile-dropdown-icon.rotated { transform: rotate(180deg); }

.main-content { flex: 1; padding-top: 0; }
body:not(.home) .main-content { padding-top: 70px; }

/* ── Footer ── */
.footer { background: #4d556b; color: #fff; padding: 60px 0 30px; }
.footer .container { max-width: 1560px; padding: 0 80px; }
.footer-main { display: grid; grid-template-columns: 260px 1fr; gap: 60px; margin-bottom: 40px; }
.footer-logo { font-size: 24px; margin-bottom: 12px; font-weight: 600; }
.footer-slogan { color: rgba(255,255,255,.6); margin-bottom: 24px; }
.footer-contact p { margin-bottom: 8px; color: rgba(255,255,255,.8); font-size: 14px; }
.footer-qrcodes { display: flex; gap: 24px; margin-top: 24px; }
.footer-qrcode-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.footer-qrcode-item img { width: 90px; height: 90px; object-fit: cover; border-radius: 6px; background: #fff; padding: 4px; }
.footer-qrcode-item span { font-size: 12px; color: rgba(255,255,255,.6); }
.footer-nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 32px 24px; }
.footer-nav-group h4 { font-size: 16px; margin-bottom: 20px; font-weight: 600; }
.footer-nav-group a { display: block; color: rgba(255,255,255,.6); margin-bottom: 12px; font-size: 14px; }
.footer-nav-group a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; text-align: center; color: rgba(255,255,255,.5); font-size: 13px; }
.footer-bottom p { margin: 4px 0; }

/* ── Float consult ── */
.float-consult {
  position: fixed; right: 24px; bottom: 24px; width: 48px; padding: 12px 0;
  background: #fff; border-radius: 28px; display: flex; flex-direction: column; align-items: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.15); z-index: 999;
}
.fc-item { position: relative; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 4px 0; }
.fc-icon-circle { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #333; transition: background .3s; }
.fc-item:hover .fc-icon-circle { background: #f5f5f5; }
.fc-divider { width: 24px; height: 1px; background: rgba(0,0,0,.1); margin: 4px 0; }
.fc-popup {
  position: absolute; right: 60px; background: #fff; border-radius: 8px;
  box-shadow: 0 6px 16px rgba(0,0,0,.12); opacity: 0; visibility: hidden;
  transform: translateX(8px); transition: all .3s ease; pointer-events: none; white-space: nowrap;
}
.fc-item:hover .fc-popup { opacity: 1; visibility: visible; transform: translateX(0); }
.fc-popup-arrow { position: absolute; right: -6px; top: 50%; transform: translateY(-50%); border-left: 6px solid #fff; border-top: 6px solid transparent; border-bottom: 6px solid transparent; }
.fc-popup-qr { bottom: -10px; padding: 12px 8px; width: 152px; text-align: center; }
.fc-qr-img { width: 120px; height: 120px; border-radius: 4px; object-fit: cover; }
.fc-popup-text { font-size: 12px; color: #666; }
.fc-popup-phone { bottom: -4px; padding: 14px 18px; width: 168px; }
.fc-popup-title { font-size: 16px; font-weight: 700; color: #333; margin-bottom: 4px; }
.fc-popup-desc { font-size: 16px; color: #333; }

/* ── Consult modal ── */
.hb-modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 10000; display: flex; align-items: center; justify-content: center; }
.wechat-qr-modal { background: #fff; border-radius: 12px; padding: 32px; text-align: center; min-width: 320px; position: relative; }
.modal-close { position: absolute; top: 10px; right: 14px; border: none; background: none; font-size: 24px; color: #999; cursor: pointer; }
.qr-header { margin-bottom: 24px; }
.qr-header h3 { font-size: 20px; font-weight: 600; color: #333; margin-bottom: 8px; }
.qr-header p { font-size: 14px; color: #666; }
.qr-image { width: 200px; height: 200px; border: 1px solid #e8e8e8; border-radius: 8px; padding: 12px; background: #fafafa; }

/* ── 通用组件 ── */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 32px; font-weight: 600; color: var(--text); margin-bottom: 16px; }
.section-title p { font-size: 16px; color: var(--text-secondary); }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 32px;
  font-size: 16px; font-weight: 500; border-radius: 6px; border: none; cursor: pointer;
  background: var(--primary); color: #fff; transition: all .3s;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

/* 面包屑 */
.breadcrumb { padding: 20px; font-size: 13px; color: var(--text-light); }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.bc-sep { margin: 0 8px; }
.bc-current { color: var(--text-secondary); }

/* 富文本内容 */
.rich-content { line-height: 1.9; font-size: 15px; color: #444; }
.rich-content p { margin-bottom: 16px; }
.rich-content img { max-width: 100%; border-radius: 8px; margin: 12px 0; }
.rich-content h2 { font-size: 24px; margin: 28px 0 16px; }
.rich-content h3 { font-size: 20px; margin: 24px 0 12px; }
.rich-content ul, .rich-content ol { padding-left: 24px; margin-bottom: 16px; }
.rich-content table { border-collapse: collapse; width: 100%; margin: 16px 0; }
.rich-content td, .rich-content th { border: 1px solid var(--border); padding: 8px 12px; }
.rich-content video { max-width: 100%; border-radius: 8px; }

/* 分页 */
.hb-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.hb-pagination a, .hb-pagination span {
  display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px;
  padding: 0 12px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-secondary); font-size: 14px;
}
.hb-pagination a:hover { border-color: var(--primary); color: var(--primary); }
.hb-pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── 响应式 ── */
@media (max-width: 1024px) {
  .nav, .header-actions { display: none; }
  .mobile-header-actions { display: flex; align-items: center; gap: 8px; }
  .mobile-menu-btn { display: block; }
  .mobile-nav { display: block; }
  .mha-phone { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; }
  .mha-consult {
    display: inline-flex; align-items: center; height: 30px; padding: 0 14px; font-size: 13px;
    color: var(--primary); background: transparent; border: 1px solid var(--primary); border-radius: 15px; cursor: pointer;
  }
}
@media (max-width: 768px) {
  .logo-image { height: 32px; }
  .section { padding: 50px 0; }
  .section-title { margin-bottom: 32px; }
  .section-title h2 { font-size: 24px; }
  .footer { padding: 20px 0 calc(20px + env(safe-area-inset-bottom)); }
  .footer .container { padding: 0 16px; }
  .footer-main { grid-template-columns: 1fr; gap: 0; margin-bottom: 24px; text-align: center; }
  .footer-logo { font-size: 20px; margin-bottom: 8px; }
  .footer-slogan { font-size: 13px; margin-bottom: 16px; }
  .footer-contact p { margin-bottom: 4px; font-size: 13px; }
  .footer-qrcodes { justify-content: center; margin-top: 20px; }
  .footer-nav { display: none; }
  .footer-bottom { padding-top: 14px; font-size: 11px; }
  .float-consult { display: none; }
  .wechat-qr-modal { min-width: 0; width: 88vw; max-width: 340px; padding: 24px 20px; }
  .qr-image { width: 180px; height: 180px; }
  .container-wide { padding: 0 16px; }
}

/* ============ 首页 Hero Banner ============ */
.hero-banner { position: relative; min-height: 640px; display: flex; align-items: center; overflow: hidden; }
.hero-banner .hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-banner .hero-mask { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,10,30,.55), rgba(0,10,30,.15)); }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 720px; padding: 100px 0; }
.hero-content h1 { font-size: 48px; font-weight: 700; line-height: 1.25; margin-bottom: 20px; }
.hero-content .hero-subtitle { font-size: 22px; margin-bottom: 16px; opacity: .95; }
.hero-content .hero-desc { font-size: 16px; line-height: 1.8; opacity: .85; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-hero-outline { display: inline-flex; align-items: center; padding: 12px 32px; font-size: 16px; border-radius: 6px; border: 1px solid rgba(255,255,255,.7); color: #fff; transition: all .3s; }
.btn-hero-outline:hover { background: rgba(255,255,255,.15); }
.hero-stats { display: flex; gap: 48px; margin-top: 48px; flex-wrap: wrap; }
.hero-stat-item .stat-value { font-size: 36px; font-weight: 700; color: #fff; }
.hero-stat-item .stat-title { font-size: 14px; opacity: .8; margin-top: 4px; }

/* ============ 首页通用模块 ============ */
.home-section { padding: 80px 0; }
.home-section.alt { background: var(--bg); }
.module-head { text-align: center; margin-bottom: 48px; }
.module-head h2 { font-size: 34px; font-weight: 600; margin-bottom: 14px; }
.module-head p { font-size: 16px; color: var(--text-secondary); }
.more-link { display: inline-flex; align-items: center; gap: 4px; color: var(--primary); font-size: 15px; margin-top: 32px; }
.more-link:hover { opacity: .8; }

/* 核心业务卡片 */
.business-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.business-card {
  background: #fff; border: 1px solid #eef0f4; border-radius: 12px; padding: 28px 24px;
  transition: all .3s; display: flex; flex-direction: column;
}
.business-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(24,144,255,.12); border-color: rgba(24,144,255,.3); }
.business-card .bc-icon { width: 48px; height: 48px; margin-bottom: 16px; }
.business-card .bc-icon img { width: 100%; height: 100%; object-fit: contain; }
.business-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.business-card .bc-subtitle { font-size: 13px; color: var(--primary); margin-bottom: 10px; }
.business-card .bc-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 产品创新模块 */
.pi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pi-card {
  position: relative; border-radius: 16px; overflow: hidden; padding: 40px 36px; color: #fff;
  background-size: cover; background-position: center; min-height: 320px; display: flex; flex-direction: column;
}
.pi-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,25,60,.82), rgba(24,80,160,.55)); }
.pi-card > * { position: relative; z-index: 1; }
.pi-card .pi-tag { display: inline-flex; width: fit-content; padding: 4px 14px; border-radius: 999px; background: rgba(255,255,255,.16); font-size: 13px; margin-bottom: 16px; }
.pi-card h3 { font-size: 26px; font-weight: 600; margin-bottom: 12px; }
.pi-card .pi-desc { font-size: 14px; line-height: 1.8; opacity: .9; margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pi-card .pi-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pi-card .pi-feature { padding: 4px 12px; background: rgba(255,255,255,.12); border-radius: 6px; font-size: 12px; }
.pi-card .pi-cta { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-size: 14px; font-weight: 500; margin-top: auto; }
.pi-card .pi-cta:hover { opacity: .85; }

/* Agent 模块 */
.agent-panel { display: grid; grid-template-columns: 1fr 1.6fr; gap: 32px; align-items: stretch; }
.agent-panel-left {
  border-radius: 16px; padding: 44px 36px; color: #fff; background-size: cover; background-position: center;
  position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center;
}
.agent-panel-left::before { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(8,20,50,.88), rgba(20,60,130,.6)); }
.agent-panel-left > * { position: relative; }
.agent-panel-left h3 { font-size: 28px; font-weight: 600; margin-bottom: 14px; white-space: pre-line; }
.agent-panel-left p { font-size: 14px; line-height: 1.8; opacity: .9; margin-bottom: 24px; }
.agent-feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.agent-feature-card {
  background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #eef0f4;
  transition: all .3s; display: flex; flex-direction: column;
}
.agent-feature-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(0,0,0,.1); }
.agent-feature-card img, .agent-feature-card video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.agent-feature-card .afc-body { padding: 16px 18px; }
.agent-feature-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.agent-feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 方案/案例/新闻卡片 */
.solution-preview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.solution-preview-card {
  background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #eef0f4; transition: all .3s;
  display: flex; flex-direction: column;
}
.solution-preview-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.solution-preview-card img { width: 100%; height: 160px; object-fit: cover; }
.solution-preview-card .spc-body { padding: 20px; flex: 1; }
.solution-preview-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.solution-preview-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #eef0f4; transition: all .3s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.case-card .cc-cover { width: 100%; height: 180px; object-fit: cover; }
.case-card .cc-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.case-card .cc-tag { font-size: 12px; color: var(--primary); background: rgba(24,144,255,.08); padding: 2px 10px; border-radius: 999px; width: fit-content; margin-bottom: 10px; }
.case-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.case-card .cc-summary { font-size: 13px; color: var(--text-secondary); line-height: 1.7; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #eef0f4; transition: all .3s;
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.news-card .nc-cover { width: 100%; height: 180px; object-fit: cover; }
.news-card .nc-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .nc-summary { font-size: 13px; color: var(--text-secondary); line-height: 1.7; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .nc-date { font-size: 12px; color: var(--text-light); margin-top: 12px; }

/* 合作伙伴 Logo 墙 */
.logo-wall { display: grid; grid-template-columns: repeat(8, 1fr); gap: 16px; }
.logo-wall-item {
  height: 72px; background: #fff; border: 1px solid #eef0f4; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; padding: 12px; transition: all .3s;
}
.logo-wall-item:hover { box-shadow: 0 6px 16px rgba(0,0,0,.08); }
.logo-wall-item img { max-height: 40px; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .75; transition: all .3s; }
.logo-wall-item:hover img { filter: none; opacity: 1; }

/* YQZ 能力模块 */
.yqz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.yqz-card { background: #fff; border: 1px solid #eef0f4; border-radius: 12px; padding: 28px 24px; transition: all .3s; }
.yqz-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(24,144,255,.1); }
.yqz-card .yqz-icon { width: 44px; height: 44px; margin-bottom: 14px; }
.yqz-card .yqz-icon img { width: 100%; height: 100%; object-fit: contain; }
.yqz-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.yqz-card .yqz-badge { font-size: 12px; color: var(--primary); margin-bottom: 8px; }
.yqz-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ============ 列表/详情页通用 ============ */
.page-banner {
  background: linear-gradient(135deg, #0a1e3c, #1890ff); color: #fff;
  padding: 64px 0 56px; text-align: center; background-size: cover; background-position: center;
  position: relative;
}
.page-banner h1 { font-size: 36px; font-weight: 700; margin-bottom: 12px; }
.page-banner p { font-size: 16px; opacity: .85; }

.filter-tabs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-tab {
  padding: 8px 22px; border-radius: 999px; border: 1px solid var(--border); background: #fff;
  color: var(--text-secondary); font-size: 14px; cursor: pointer; transition: all .25s;
}
.filter-tab:hover { border-color: var(--primary); color: var(--primary); }
.filter-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 文章详情 */
.article-page { padding: 48px 0 80px; }
.article-header { max-width: 860px; margin: 0 auto 32px; text-align: center; }
.article-header h1 { font-size: 32px; font-weight: 700; line-height: 1.4; margin-bottom: 16px; }
.article-meta { color: var(--text-light); font-size: 13px; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.article-body { max-width: 860px; margin: 0 auto; }
.article-body .rich-content img { width: 100%; }
.article-nav { max-width: 860px; margin: 48px auto 0; display: flex; justify-content: space-between; gap: 24px; font-size: 14px; }
.article-nav a { color: var(--primary); }

/* 案例详情 */
.case-detail-section { margin-bottom: 48px; }
.case-detail-section h2 {
  font-size: 22px; font-weight: 600; margin-bottom: 20px; padding-left: 14px;
  border-left: 4px solid var(--primary);
}
.result-data-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.result-data-item { background: var(--bg); border-radius: 10px; padding: 24px; text-align: center; }
.result-data-item .rd-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.result-data-item .rd-label { font-size: 13px; color: var(--text-secondary); margin-top: 6px; }

/* 产品/方案落地页 */
.landing-hero {
  position: relative; min-height: 420px; display: flex; align-items: center;
  background-size: cover; background-position: center; color: #fff;
}
.landing-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,35,.65), rgba(5,15,35,.2)); }
.landing-hero .lh-content { position: relative; z-index: 1; max-width: 640px; }
.landing-hero h1 { font-size: 40px; font-weight: 700; margin-bottom: 14px; }
.landing-hero .lh-subtitle { font-size: 18px; opacity: .95; margin-bottom: 12px; }
.landing-hero .lh-summary { font-size: 15px; line-height: 1.8; opacity: .85; }
.landing-section { padding: 72px 0; }
.landing-section.alt { background: var(--bg); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-item { background: #fff; border: 1px solid #eef0f4; border-radius: 12px; padding: 28px 24px; }
.feature-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.feature-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.landing-media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 56px; }
.landing-media-row:last-child { margin-bottom: 0; }
.landing-media-row.reverse .lm-media { order: 2; }
.lm-media img, .lm-media video { width: 100%; border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.1); }
.lm-text h3 { font-size: 26px; font-weight: 600; margin-bottom: 16px; }
.lm-text .rich-content { font-size: 15px; }
.scenario-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.scenario-tag { padding: 10px 24px; background: #fff; border: 1px solid #eef0f4; border-radius: 999px; font-size: 14px; color: var(--text-secondary); }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.advantage-item { text-align: center; padding: 28px 20px; background: #fff; border-radius: 12px; border: 1px solid #eef0f4; }
.advantage-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.advantage-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.landing-cta { text-align: center; padding: 64px 0; background: linear-gradient(135deg, #0a1e3c, #1265c8); color: #fff; }
.landing-cta h2 { font-size: 30px; margin-bottom: 12px; }
.landing-cta p { opacity: .85; margin-bottom: 28px; }

/* 招聘页 */
.job-list { display: flex; flex-direction: column; gap: 16px; }
.job-card { background: #fff; border: 1px solid #eef0f4; border-radius: 12px; padding: 24px 28px; transition: all .3s; }
.job-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.job-card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; flex-wrap: wrap; }
.job-card-head h3 { font-size: 18px; font-weight: 600; }
.job-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.job-tag { font-size: 12px; color: var(--text-secondary); background: var(--bg); padding: 3px 12px; border-radius: 999px; }
.job-salary { color: var(--primary); font-weight: 600; font-size: 15px; }
.job-card-body { display: none; padding-top: 20px; margin-top: 16px; border-top: 1px dashed var(--border); }
.job-card.open .job-card-body { display: block; }
.job-card-body h4 { font-size: 15px; font-weight: 600; margin: 16px 0 8px; }
.job-card-body h4:first-child { margin-top: 0; }
.job-card-body .rich-content { font-size: 14px; }
.job-arrow { transition: transform .3s; color: var(--text-light); }
.job-card.open .job-arrow { transform: rotate(180deg); }

/* 关于页 */
.about-section { padding: 72px 0; }
.about-section.alt { background: var(--bg); }
.about-row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-row.reverse .about-text { order: 2; }
.about-text h2 { font-size: 30px; font-weight: 600; margin-bottom: 20px; }
.about-media img { width: 100%; border-radius: 12px; }
.timeline { position: relative; padding-left: 32px; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: #dbe7f5; }
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item::before {
  content: ''; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--primary); border: 3px solid #d6e9ff;
}
.timeline-item .tl-year { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.timeline-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.office-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.office-card { background: #fff; border: 1px solid #eef0f4; border-radius: 12px; padding: 24px; }
.office-card .oc-type { font-size: 12px; color: #fff; background: var(--primary); padding: 2px 10px; border-radius: 999px; display: inline-block; margin-bottom: 12px; }
.office-card .oc-type.service { background: #722ed1; }
.office-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.office-card p { font-size: 13px; color: var(--text-secondary); }
.qual-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.qual-item { background: #fff; border: 1px solid #eef0f4; border-radius: 10px; overflow: hidden; text-align: center; }
.qual-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.qual-item .qi-title { padding: 12px 10px; font-size: 13px; color: var(--text-secondary); }

/* 学院页 FAQ */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid #eef0f4; border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.faq-question { padding: 20px 24px; font-size: 16px; font-weight: 500; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-answer { display: none; padding: 0 24px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question { color: var(--primary); }

/* 空状态 */
.empty-state { text-align: center; padding: 80px 0; color: var(--text-light); font-size: 15px; }

/* ============ 页面级响应式 ============ */
@media (max-width: 1024px) {
  .business-grid, .yqz-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .agent-panel { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid, .qual-grid { grid-template-columns: repeat(2, 1fr); }
  .office-grid, .result-data-grid { grid-template-columns: repeat(2, 1fr); }
  .landing-media-row { grid-template-columns: 1fr; }
  .landing-media-row.reverse .lm-media { order: 0; }
  .about-row, .about-row.reverse { grid-template-columns: 1fr; }
  .about-row.reverse .about-text { order: 0; }
  .pi-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-banner { min-height: 480px; }
  .hero-content { padding: 60px 0; }
  .hero-content h1 { font-size: 30px; }
  .hero-content .hero-subtitle { font-size: 17px; }
  .hero-stats { gap: 24px; margin-top: 32px; }
  .hero-stat-item .stat-value { font-size: 26px; }
  .home-section { padding: 50px 0; }
  .module-head h2 { font-size: 24px; }
  .business-grid, .solution-preview-grid, .case-grid, .news-grid { grid-template-columns: 1fr; }
  .yqz-grid { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .agent-feature-list { grid-template-columns: 1fr; }
  .page-banner { padding: 44px 0 36px; }
  .page-banner h1 { font-size: 26px; }
  .article-header h1 { font-size: 24px; }
  .landing-hero { min-height: 340px; }
  .landing-hero h1 { font-size: 28px; }
  .landing-section { padding: 48px 0; }
  .feature-grid, .advantage-grid, .qual-grid, .office-grid, .result-data-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 24px; }
  .job-card-head { flex-direction: column; align-items: flex-start; }
}