:root {
  --paper: #f6f8fb;
  --paper-2: #edf2f7;
  --surface: #ffffff;
  --surface-2: #eef7fb;
  --ink: #111827;
  --ink-soft: #344054;
  --muted: #667085;
  --line: rgba(17, 24, 39, 0.14);
  --line-strong: rgba(17, 24, 39, 0.24);
  --brand: #0796d2;
  --brand-deep: #056b9a;
  --green: #2f8f6b;
  --amber: #a86f18;
  --dark: #101923;
  --dark-2: #172534;
  --on-dark: #f8fafc;
  --max: 1160px;
  --pad: 36px;
  --radius: 8px;
  --shadow: 0 18px 42px rgba(17, 24, 39, 0.08);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 88px;
}

body {
  margin: 0;
  color: var(--ink-soft);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--brand);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 50;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 4px;
}

.skip-link:focus {
  left: 12px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: keep-all;
  line-break: strict;
  text-wrap: balance;
}

h1 {
  font-size: 58px;
  font-weight: 800;
  max-width: 980px;
}

h2 {
  font-size: 34px;
  font-weight: 760;
}

h3 {
  font-size: 21px;
  font-weight: 720;
}

h1 em,
h2 em {
  color: var(--brand-deep);
  font-style: normal;
}

p {
  margin: 0;
}

.cn-site :is(.hero-lead, .hero-subcopy, .section-intro, .proof-note, .about-boyun-story p, .about-capability-list span, .about-domain-row span, .definition-card p, .problem-card p, .product-card p, .audience-card p, .delivery-grid p, .faq-list p, .site-footer p, .domain-list span, .application-list span, .deliverables li) {
  overflow-wrap: normal;
  word-break: keep-all;
  line-break: strict;
  text-wrap: wrap;
}

.nowrap {
  white-space: nowrap;
}

.hero-title-break {
  display: block;
}

.slogan-break-mobile {
  display: inline;
}

.mobile-title-break {
  display: inline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  background: rgba(246, 248, 251, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.08);
  border-bottom-color: var(--line-strong);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: auto;
  height: 50px;
  max-width: 180px;
  object-fit: contain;
}

nav[aria-label="主导航"],
nav[aria-label="Main navigation"] {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 650;
}

nav[aria-label="主导航"] a,
nav[aria-label="Main navigation"] a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 0;
}

nav[aria-label="主导航"] a:hover,
nav[aria-label="Main navigation"] a:hover,
nav[aria-label="Main navigation"] a[aria-current="page"] {
  color: var(--ink);
}

nav[aria-label="主导航"] a::after,
nav[aria-label="Main navigation"] a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

nav[aria-label="主导航"] a:hover::after,
nav[aria-label="Main navigation"] a:hover::after,
nav[aria-label="Main navigation"] a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 6px;
  padding: 8px 12px;
  font: inherit;
  font-weight: 650;
}

.hero {
  padding: 96px var(--pad) 72px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(7, 150, 210, 0.08) 0, rgba(7, 150, 210, 0) 36%),
    var(--paper);
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-width: 0;
}

.hero-inner:has(> .hero-facts) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

.hero-inner:has(> .hero-facts) > * {
  grid-column: 1;
}

.hero-inner > .hero-facts {
  grid-column: 2;
  grid-row: 1 / span 5;
  margin-top: 26px;
}

.cn-hero-grid {
  display: block;
}

.hero-copy,
.content-section,
.service-tile,
.product-card,
.category-card,
.card,
.link-card,
.featured-article {
  min-width: 0;
}

.eyebrow,
.section-label,
.tile-kicker,
.date {
  margin: 0 0 14px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0;
}

.hero-lead {
  max-width: min(100%, 1040px);
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.78;
}

.hero-subcopy {
  max-width: min(100%, 1010px);
  margin-top: 16px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.78;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 720;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--brand);
  color: #fff;
}

.button.primary:hover {
  background: var(--brand-deep);
}

.button.secondary {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.button.secondary:hover {
  border-color: var(--brand);
}

.mini-proof {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.1);
  border: 1px solid rgba(7, 150, 210, 0.28);
  color: var(--brand-deep);
  font-weight: 720;
  font-size: 14px;
}

.hero-facts {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.06);
}

.hero-facts dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.hero-facts dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-facts dd {
  margin: -8px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.entity-strip {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.entity-strip span {
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid rgba(7, 150, 210, 0.26);
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.08);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
}

.proof-band {
  background: var(--ink);
  color: var(--on-dark);
  padding: 34px var(--pad);
}

.proof-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  overflow: hidden;
}

.proof-stat {
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.proof-stat:last-child {
  border-right: 0;
}

.proof-num {
  display: block;
  color: #fff;
  font-size: 34px;
  line-height: 1;
  font-weight: 800;
}

.proof-label {
  display: block;
  margin-top: 10px;
  color: rgba(248, 250, 252, 0.72);
  font-size: 14px;
}

.proof-note {
  max-width: var(--max);
  margin: 16px auto 0;
  color: rgba(248, 250, 252, 0.68);
  font-size: 13px;
}

.content-section.about-boyun-section {
  padding-top: 76px;
  padding-bottom: 74px;
}

.about-boyun-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: 28px;
  align-items: start;
  min-width: 0;
}

.about-boyun-story {
  max-width: 800px;
  min-width: 0;
}

.about-boyun-story p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.86;
}

.about-boyun-story p + p {
  margin-top: 16px;
}

.about-capability-list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.about-capability-list article {
  min-width: 0;
  min-height: 112px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.about-capability-list strong {
  display: block;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
  font-weight: 760;
}

.about-capability-list span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.about-domain-row {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
}

.about-domain-row span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 6px;
  border: 1px solid rgba(7, 150, 210, 0.22);
  background: rgba(7, 150, 210, 0.07);
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 700;
}

.content-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 82px var(--pad);
}

.section-head {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 26px;
}

.section-label {
  padding-top: 6px;
}

.section-intro {
  max-width: min(100%, 1040px);
  color: var(--muted);
  font-size: 18px;
}

.definition-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.definition-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.definition-card span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  margin-bottom: 34px;
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.1);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 760;
}

.definition-card h3 {
  margin-bottom: 14px;
}

.definition-card p {
  color: var(--muted);
}

.problem-grid,
.audience-grid {
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.problem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.audience-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-card,
.audience-card {
  min-width: 0;
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.problem-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 28px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}

.problem-card h3,
.audience-card h3 {
  margin-bottom: 12px;
}

.problem-card p,
.audience-card p {
  color: var(--muted);
}

.cn-site :is(.definition-card, .problem-card, .audience-card, .product-card, .delivery-grid article, .category-card) {
  min-width: 0;
}

.cn-site :is(.definition-card h3, .problem-card h3, .audience-card h3, .product-card h3, .delivery-grid h3, .definition-card p, .problem-card p, .audience-card p, .product-card p, .deliverables li, .domain-list span, .application-list span, .faq-list p) {
  min-width: 0;
  word-break: normal;
  overflow-wrap: anywhere;
  line-break: auto;
}

.bento-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.service-tile {
  grid-column: span 2;
  min-height: 250px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.marketing-grid .service-tile {
  min-height: 275px;
}

.service-tile-large {
  grid-column: span 3;
  grid-row: span 2;
  background: var(--surface-2);
  border-color: rgba(7, 150, 210, 0.28);
}

.outcome-tile {
  background: var(--ink);
  border-color: var(--ink);
}

.outcome-tile h3,
.outcome-tile .tile-kicker {
  color: #fff;
}

.outcome-tile p:not(.tile-kicker) {
  color: rgba(248, 250, 252, 0.74);
}

.service-tile h3 {
  margin-bottom: 14px;
}

.service-tile p:not(.tile-kicker) {
  color: var(--muted);
}

.service-tile a {
  display: inline-flex;
  margin-top: 22px;
  color: var(--brand-deep);
  font-weight: 760;
}

.product-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-quartet {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-card {
  min-height: 330px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.product-card-primary {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(7, 150, 210, 0.14), rgba(255, 255, 255, 0) 58%),
    var(--surface-2);
  border-color: rgba(7, 150, 210, 0.28);
}

.product-card.outcome-tile {
  background: var(--ink);
  border-color: var(--ink);
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 780;
}

.product-meta span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.12);
  white-space: nowrap;
}

.product-card h3 {
  margin-bottom: 14px;
}

.product-card p {
  color: var(--muted);
}

.product-card a {
  display: inline-flex;
  margin-top: 22px;
  color: var(--brand-deep);
  font-weight: 760;
}

.deliverables {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.deliverables li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.deliverables li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

.product-card.outcome-tile .product-meta,
.product-card.outcome-tile .product-meta strong,
.product-card.outcome-tile h3 {
  color: #fff;
}

.product-card.outcome-tile .product-meta span {
  background: rgba(255, 255, 255, 0.14);
}

.product-card.outcome-tile p {
  color: rgba(248, 250, 252, 0.74);
}

.category-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.category-card {
  min-height: 660px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.05);
}

.category-card-primary {
  background:
    linear-gradient(135deg, rgba(7, 150, 210, 0.14), rgba(255, 255, 255, 0) 56%),
    var(--surface-2);
  border-color: rgba(7, 150, 210, 0.28);
}

.category-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 30px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 780;
}

.category-meta span {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.12);
  white-space: nowrap;
}

.category-card h3 {
  margin-bottom: 14px;
  font-size: 31px;
}

.category-card > p {
  color: var(--muted);
}

.category-body {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.category-note {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.category-note strong {
  color: var(--ink);
  font-size: 18px;
}

.category-note span {
  color: var(--muted);
}

.application-group {
  padding: 16px;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius);
  background: var(--paper);
}

.application-group + .application-group {
  margin-top: 14px;
}

.application-group .category-note {
  margin-bottom: 14px;
}

.service-group {
  border-color: rgba(7, 150, 210, 0.24);
  background: rgba(7, 150, 210, 0.07);
}

.domain-list,
.application-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.domain-list li,
.application-list li {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.application-list li {
  background: var(--surface);
}

.application-list li.service-line {
  border-color: rgba(7, 150, 210, 0.24);
  background: var(--surface);
}

.domain-list strong,
.application-list strong {
  color: var(--ink);
  font-size: 16px;
}

.domain-list span,
.application-list span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.category-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--brand-deep);
  font-weight: 760;
}

.dark-section {
  max-width: none;
  background: var(--dark);
  color: rgba(248, 250, 252, 0.78);
  padding-left: max(var(--pad), calc((100% - var(--max)) / 2 + var(--pad)));
  padding-right: max(var(--pad), calc((100% - var(--max)) / 2 + var(--pad)));
}

.dark-section h2,
.dark-section h3,
.dark-section .link-card span {
  color: #fff;
}

.dark-section .section-intro,
.dark-section .link-card p {
  color: rgba(248, 250, 252, 0.72);
}

.dark-section .link-card {
  background: var(--dark-2);
  border-color: rgba(255, 255, 255, 0.14);
}

.grid {
  display: grid;
  gap: 14px;
}

.cards,
.link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.link-card,
.featured-article {
  display: block;
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
}

.card p,
.link-card p,
.featured-article p {
  margin-top: 12px;
  color: var(--muted);
}

.link-card span {
  display: block;
  color: var(--ink);
  font-size: 20px;
  font-weight: 760;
  line-height: 1.2;
}

.link-card:hover {
  border-color: var(--brand);
}

.geo-subnav {
  max-width: var(--max);
  margin: 24px auto 0;
  padding: 0 var(--pad);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.geo-subnav a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  text-decoration: none;
  font-weight: 650;
}

.geo-subnav a[aria-current="page"],
.geo-subnav a:hover {
  color: var(--ink);
  border-color: var(--brand);
}

.facts {
  margin: 28px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.facts div {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.facts dt {
  color: var(--ink);
  font-weight: 760;
}

.facts dd {
  margin: 0;
  color: var(--muted);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.steps li {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.steps strong {
  color: var(--ink);
  font-size: 20px;
}

.steps span {
  color: var(--muted);
}

.delivery-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ontology-steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.delivery-grid article {
  min-width: 0;
  min-height: 240px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.delivery-grid span {
  display: block;
  color: var(--green);
  font-weight: 800;
  margin-bottom: 32px;
}

.delivery-grid h3 {
  margin-bottom: 12px;
}

.delivery-grid p {
  color: var(--muted);
}

.cn-site .delivery-grid p {
  min-width: 0;
  word-break: normal;
  overflow-wrap: anywhere;
  line-break: auto;
}

.contact-section {
  padding-top: 30px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 36px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cta-panel {
  background:
    linear-gradient(120deg, rgba(7, 150, 210, 0.12), rgba(255, 255, 255, 0) 52%),
    var(--surface);
}

.contact-facts {
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
}

.contact-facts div {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 16px;
}

.contact-facts dt {
  color: var(--ink);
  font-weight: 760;
}

.contact-facts dd {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.qr-card {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  align-self: start;
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #fff;
}

.qr-card figcaption {
  margin-top: 10px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.faq-list {
  margin-top: 34px;
  display: grid;
  gap: 10px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 760;
}

.faq-list p {
  margin-top: 12px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--ink);
  background: var(--surface-2);
}

td {
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 36px var(--pad);
  background: var(--ink);
  color: rgba(248, 250, 252, 0.78);
}

.site-footer > * {
  max-width: 560px;
}

.site-footer strong {
  display: block;
  color: #fff;
  margin-bottom: 8px;
}

.site-footer a {
  display: inline-flex;
  margin: 0 0 8px 18px;
  color: rgba(248, 250, 252, 0.84);
}

[data-motion] .will-reveal {
  opacity: 0;
  transform: translateY(12px);
}

[data-motion] .will-reveal.is-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 420ms ease, transform 420ms ease;
  transition-delay: var(--d, 0ms);
}

@media (max-width: 980px) {
  :root {
    --pad: 24px;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-inner:has(> .hero-facts),
  .about-boyun-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-inner > .hero-facts {
    grid-column: 1;
    grid-row: auto;
    margin-top: 22px;
  }

  .proof-inner,
  .delivery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-stat:nth-child(2) {
    border-right: 0;
  }

  .proof-stat:nth-child(1),
  .proof-stat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .section-head,
  .steps li,
  .facts div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .bento-grid,
  .definition-grid,
  .product-grid,
  .category-grid,
  .problem-grid,
  .audience-grid,
  .cards,
  .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-tile,
  .service-tile-large,
  .product-card-primary {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: center;
    min-height: 66px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .brand img {
    height: 42px;
    max-width: 152px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  nav[aria-label="主导航"],
  nav[aria-label="Main navigation"] {
    display: none;
    width: 100%;
    padding: 0 0 12px;
    gap: 10px 16px;
  }

  .site-header.nav-open nav[aria-label="主导航"],
  .site-header.nav-open nav[aria-label="Main navigation"] {
    display: flex;
  }

  body:not(.cn-site) nav[aria-label="Main navigation"] {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0 0 12px;
    scrollbar-width: none;
  }

  body:not(.cn-site) nav[aria-label="Main navigation"] a {
    flex: 0 0 auto;
  }

  .hero {
    padding-top: 62px;
  }

  h1 {
    font-size: 31px;
    line-height: 1.18;
  }

  h2 {
    font-size: 26px;
  }

  .hero-lead,
  .section-intro {
    font-size: 17px;
  }

  .mobile-title-break {
    display: block;
  }

  .slogan-break-mobile {
    display: block;
  }

  .cn-site .about-boyun-story p,
  .cn-site .about-capability-list span,
  .cn-site .about-domain-row span,
  .cn-site .hero-lead,
  .cn-site .hero-subcopy {
    word-break: normal;
    overflow-wrap: anywhere;
    line-break: auto;
  }

  .about-capability-list article {
    min-height: auto;
    padding: 18px;
  }

  .hero-inner > h1,
  .hero-inner > .hero-actions,
  .hero-facts {
    max-width: min(100%, 342px);
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-inner > .hero-lead,
  .hero-inner > .hero-subcopy,
  .hero-inner > .entity-strip,
  .section-intro {
    max-width: 100%;
  }

  .proof-inner,
  .bento-grid,
  .definition-grid,
  .product-grid,
  .category-grid,
  .problem-grid,
  .audience-grid,
  .cards,
  .link-grid,
  .delivery-grid {
    grid-template-columns: 1fr;
  }

  .proof-stat,
  .proof-stat:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .proof-stat:last-child {
    border-bottom: 0;
  }

  .content-section {
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .site-footer {
    flex-direction: column;
  }

  .site-footer a {
    margin-left: 0;
    margin-right: 18px;
  }
}

/* CN index: 1底座-3产品-2服务 restructure (v9) */
nav[aria-label="主导航"] a.lang-link,
nav[aria-label="主导航"] a.geo-nav-link {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--brand-deep);
  font-weight: 700;
}

nav[aria-label="主导航"] a.lang-link::after,
nav[aria-label="主导航"] a.geo-nav-link::after {
  display: none;
}

nav[aria-label="主导航"] a.lang-link:hover,
nav[aria-label="主导航"] a.geo-nav-link:hover {
  border-color: rgba(7, 150, 210, 0.4);
  color: var(--ink);
}

.ontology-card {
  margin-top: 34px;
  min-height: auto;
}

.ontology-card .category-note {
  margin-bottom: 22px;
}

.ontology-card .domain-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-duo {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-trio {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  min-height: auto;
  border-color: rgba(7, 150, 210, 0.24);
}

.service-card a {
  font-weight: 760;
}

.service-card .service-link {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(7, 150, 210, 0.32);
  border-radius: 6px;
  background: rgba(7, 150, 210, 0.08);
  text-decoration: none;
}

.service-card .service-link:hover {
  border-color: var(--brand);
  background: rgba(7, 150, 210, 0.12);
}

@media (max-width: 980px) {
  .ontology-card .domain-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-trio {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .ontology-card .domain-list,
  .service-trio,
  .service-duo,
  .product-trio,
  .product-quartet {
    grid-template-columns: 1fr;
  }
}