/* ════════════════════════════════════════════════════════════════
 * 环球数科官网 — 方案 04「shukeyun heritage」
 * 设计语言：延续集团 shukeyun 门户 Deep Blue × 液态玻璃
 * Token 严格复现 shukeyun-portal globals.css，纯静态零依赖。
 * Breakpoints: 640 / 768 / 1024 / 1280
 * ════════════════════════════════════════════════════════════════ */

img { max-width: 100%; height: auto; }

:root {
  color-scheme: dark;

  /* ── Backgrounds ── */
  --bg-top: #06101a;
  --bg-bottom: #0b1521;
  --page-fg: #edf5ff;
  --page-glow-a: rgba(90, 148, 225, 0.08);
  --page-glow-b: rgba(59, 130, 246, 0.06);

  /* ── Glass surfaces ── */
  --surface: linear-gradient(180deg, rgba(40, 56, 78, 0.62), rgba(26, 40, 58, 0.54));
  --surface-strong: linear-gradient(180deg, rgba(52, 70, 94, 0.70), rgba(32, 48, 68, 0.62));
  --surface-dark: linear-gradient(180deg, rgba(9, 18, 30, 0.72), rgba(8, 15, 26, 0.56));

  /* ── Text ── */
  --ink: #cfdae5;
  --ink-strong: #f5f9ff;
  --ink-soft: rgba(207, 218, 229, 0.78);
  --muted: #92a4b7;

  /* ── Borders ── */
  --line: rgba(176, 193, 212, 0.18);
  --line-strong: rgba(176, 193, 212, 0.28);

  /* ── Brand ── */
  --accent-deep: #3B82F6;
  --accent-warm: #f5cc7d;
  --brand-primary: #38BDF8;
  --brand-secondary: #0EA5E9;
  --brand-accent: #22D3EE;
  --brand-tint-bg: rgba(56, 189, 248, 0.10);
  --brand-tint-border: rgba(56, 189, 248, 0.25);
  --brand-text: #7DD3FC;

  /* ── Header ── */
  --header-bg: rgba(8, 15, 24, 0.72);
  --header-border: rgba(223, 234, 245, 0.12);
  --header-text: #f5f9ff;
  --header-muted: rgba(223, 234, 245, 0.8);
  --nav-hover-bg: rgba(255, 255, 255, 0.08);

  /* ── Radius ── */
  --radius-md: 10px;
  --radius-button: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* ── Shadow ── */
  --shadow-sm: 0 14px 28px rgba(2, 8, 20, 0.10);
  --shadow-md: 0 18px 42px rgba(2, 8, 20, 0.18);
  --shadow-lg: 0 24px 60px rgba(2, 8, 20, 0.26);
  --shadow-xl: 0 30px 80px rgba(2, 8, 20, 0.32);
  --shadow-focus: 0 0 0 4px rgba(59, 130, 246, 0.14);

  /* ── Spacing (8px 步进) ── */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.25rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 2.5rem;
  --space-4xl: 3.5rem;

  --container: 1280px;

  --input-bg: rgba(10, 20, 34, 0.8);
  --input-bg-focus: rgba(14, 25, 40, 0.92);

  --font-mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ═══ 文旅部优秀解决方案详情页 ═══ */
.case-detail-page {
  --case-detail-blue: #0878f9;
  --case-detail-cyan: #19c8e9;
  --case-detail-deep: #062a73;
}

.case-detail-hero {
  padding: var(--space-3xl) 0 0;
}

.case-detail-hero .detail-back-row {
  display: flex;
  justify-content: flex-start;
  margin-top: var(--space-lg);
}

.section-tight.case-detail-proof {
  padding-top: var(--space-lg);
}

.case-detail-hero-card {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4.5rem);
}

.case-detail-hero-card > * {
  position: relative;
  z-index: 1;
}

.case-detail-hero-card h1 {
  max-width: 1050px;
  margin-top: var(--space-sm);
  color: #ffffff;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.16;
}

.case-detail-hero-card > p:not(.eyebrow) {
  max-width: 850px;
  margin-top: var(--space-lg);
  color: rgba(239, 247, 255, 0.78);
  font-size: clamp(1rem, 1.7vw, 1.15rem);
}

.case-detail-hero-card > p.case-detail-hero-intro--compact {
  font-size: 1rem;
}

.case-detail-hero-card .hero-chip-row {
  margin-top: var(--space-xl);
}

.case-detail-showcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-lg);
  width: 100%;
  margin: 0 auto;
  align-items: stretch;
}

.surface-panel.case-detail-evidence-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(420px, 33vw, 470px);
  padding: clamp(0.75rem, 1.4vw, 1.1rem);
}

.case-detail-evidence-image {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1664 / 873;
}

.case-detail-evidence-card img {
  display: block;
  width: 100%;
  height: auto;
  transform: translateY(-12.35%);
}

.case-detail-evidence-highlight {
  position: absolute;
  z-index: 1;
  top: 46.05%;
  right: 5.5%;
  left: 5.65%;
  height: 6.53%;
  border: 2px solid var(--case-detail-blue);
  border-radius: 4px;
  background: rgba(8, 120, 249, 0.12);
  box-shadow:
    0 0 0 1px rgba(25, 200, 233, 0.24),
    0 0 16px rgba(8, 120, 249, 0.2);
  pointer-events: none;
}

.case-detail-side-stack {
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-lg);
  min-width: 0;
}

.surface-panel.case-proof-card,
.case-essence-card {
  min-height: 0;
  height: 100%;
  padding: clamp(1rem, 1.8vw, 1.5rem);
}

.case-proof-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-proof-content {
  width: fit-content;
  max-width: 100%;
  margin-right: auto;
  margin-left: auto;
  text-align: left;
}

.case-proof-year,
.case-proof-stat strong,
.case-proof-stat span {
  color: var(--case-detail-blue);
  font-family: var(--font-sans);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 800;
  line-height: 1.2;
}

.case-proof-card h2 {
  max-width: 660px;
  margin-top: 0.35rem;
  color: var(--ink-strong);
  font-size: clamp(1rem, 1.55vw, 1.3rem);
  line-height: 1.38;
}

.case-proof-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
  margin-top: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.case-essence-card {
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(8, 120, 249, 0.42);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    135deg,
    rgba(61, 154, 255, 0.72) 0%,
    rgba(8, 120, 249, 0.78) 52%,
    rgba(6, 88, 205, 0.82) 100%
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24), var(--shadow-lg);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease,
    transform 180ms ease;
}

.case-essence-card:hover {
  border-color: rgba(8, 120, 249, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 18px 42px rgba(8, 120, 249, 0.26);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.case-essence-card::after {
  content: none;
}

.case-essence-card > * {
  position: relative;
  z-index: 1;
}

.case-essence-card h2,
.case-essence-card p {
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: clamp(0.68rem, 1.32vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
}

.case-essence-card > p:last-child {
  margin-top: 0.7rem;
}

.case-essence-card h2 {
  white-space: nowrap;
}

.case-detail-values .section-head {
  text-align: center;
}

.case-detail-values .section-head p:last-child {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
}

.case-detail-value-grid {
  margin-top: 0;
}

.case-detail-value-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  padding: clamp(1.5rem, 2.8vw, 2.5rem);
}

.case-detail-value-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--case-detail-blue), var(--case-detail-cyan));
  content: "";
}

.case-detail-value-index {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(8, 120, 249, 0.2);
  border-radius: var(--radius-md);
  background: rgba(8, 120, 249, 0.08);
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
}

.case-detail-value-en {
  margin-top: var(--space-lg);
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-detail-value-card h3 {
  margin-top: 0.35rem;
  color: var(--ink-strong);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
}

.case-detail-value-card h3 + p {
  margin-top: var(--space-md);
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.85;
}

.case-detail-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.case-detail-cta h2 {
  margin-top: 0.25rem;
  color: #ffffff;
}

/* ═══ 国家级元宇宙典型案例详情页 ═══ */
.metaverse-showcase {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.metaverse-insight-stack {
  display: grid;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.surface-panel.metaverse-insight-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
  min-height: 0;
  padding: clamp(1.15rem, 1.7vw, 1.55rem);
}

.metaverse-insight-index {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  border: 1px solid rgba(8, 120, 249, 0.22);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(8, 120, 249, 0.14), rgba(25, 200, 233, 0.07));
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
}

.metaverse-insight-card h2 {
  color: var(--case-detail-blue);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.25;
}

.metaverse-insight-card p {
  margin-top: 0.45rem;
  color: var(--ink-soft);
  font-size: clamp(0.88rem, 1vw, 0.98rem);
  line-height: 1.68;
}

.metaverse-insight-card strong {
  color: var(--case-detail-blue);
  font-weight: 700;
}

.metaverse-media-stack {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--space-lg);
  min-width: 0;
}

.metaverse-doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: var(--space-md);
  min-height: 0;
}

.surface-panel.metaverse-media-card {
  display: flex;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
  padding: clamp(0.65rem, 1vw, 0.9rem);
}

.metaverse-media-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}

.metaverse-list-card {
  align-items: center;
  justify-content: center;
}

.metaverse-doc-card {
  flex-direction: column;
  gap: 0.45rem;
}

.metaverse-doc-trigger {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: zoom-in;
}

.metaverse-doc-trigger:focus-visible {
  border-radius: var(--radius-md);
  outline: 2px solid var(--case-detail-blue);
  outline-offset: 3px;
}

.metaverse-zoom-caption {
  flex: 0 0 auto;
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1;
  text-align: center;
  opacity: 0.55;
}

.metaverse-case-list-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 777 / 967;
}

.metaverse-case-highlight {
  position: absolute;
  z-index: 1;
  top: 85.1%;
  right: 2.7%;
  left: 2.4%;
  height: 5.95%;
  border: 2px solid var(--case-detail-blue);
  border-radius: 4px;
  background: rgba(8, 120, 249, 0.12);
  box-shadow:
    0 0 0 1px rgba(25, 200, 233, 0.22),
    0 0 14px rgba(8, 120, 249, 0.2);
  pointer-events: none;
}

.metaverse-lightbox-open {
  overflow: hidden;
}

.metaverse-lightbox {
  width: min(84vw, 1080px);
  max-width: none;
  max-height: 86vh;
  overflow: visible;
  margin: auto;
  padding: clamp(2.75rem, 4vw, 3.5rem) clamp(0.75rem, 2vw, 1.5rem) clamp(0.75rem, 2vw, 1.5rem);
  border: 1px solid rgba(8, 120, 249, 0.28);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(5, 24, 58, 0.34);
}

.metaverse-lightbox::backdrop {
  background: rgba(4, 18, 42, 0.5);
  backdrop-filter: blur(3px);
}

.metaverse-lightbox-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-elevated);
  color: var(--ink-strong);
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.metaverse-lightbox-close:hover,
.metaverse-lightbox-close:focus-visible {
  border-color: var(--case-detail-blue);
  color: var(--case-detail-blue);
  transform: rotate(4deg);
}

.metaverse-lightbox-frame {
  position: relative;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
}

.metaverse-lightbox-frame img {
  display: block;
  max-width: 100%;
  max-height: calc(86vh - 5rem);
  width: auto;
  height: auto;
  object-fit: contain;
}

.metaverse-lightbox-frame > .metaverse-case-highlight {
  display: none;
}

.metaverse-lightbox-frame.has-highlight {
  aspect-ratio: 777 / 967;
}

.metaverse-lightbox-frame.has-highlight > .metaverse-case-highlight {
  display: block;
}

.surface-panel.metaverse-guide-card {
  aspect-ratio: 1942 / 809;
  padding: 0;
}

.metaverse-guide-card img {
  object-fit: contain;
}

/* ═══ 广东省人工智能“双名单”详情页 ═══ */
.province-ai-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.96fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.province-ai-document-stack,
.province-ai-side-stack {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

.province-ai-document-stack {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.province-ai-side-stack {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.surface-panel.province-ai-document-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  justify-content: center;
  gap: 0.45rem;
  padding: clamp(0.75rem, 1.2vw, 1rem);
}

.province-ai-list-frame {
  position: relative;
  width: 100%;
}

.province-ai-list-frame.is-industry {
  aspect-ratio: 695 / 215;
}

.province-ai-list-frame.is-solution {
  aspect-ratio: 697 / 233;
}

.province-ai-list-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.province-ai-row-highlight {
  position: absolute;
  z-index: 1;
  border: 2px solid var(--case-detail-blue);
  border-radius: 4px;
  background: rgba(8, 120, 249, 0.12);
  box-shadow:
    0 0 0 1px rgba(25, 200, 233, 0.22),
    0 0 14px rgba(8, 120, 249, 0.2);
  pointer-events: none;
}

.province-ai-list-frame.is-industry .province-ai-row-highlight {
  top: 44.15%;
  right: 4.05%;
  left: 3.45%;
  height: 13.65%;
}

.province-ai-list-frame.is-solution .province-ai-row-highlight {
  top: 61.8%;
  right: 4.15%;
  left: 3.45%;
  height: 12.5%;
}

.surface-panel.province-ai-proof-card,
.province-ai-essence-card {
  min-height: 0;
  height: 100%;
  padding: clamp(1.35rem, 2.4vw, 2rem);
}

.province-ai-proof-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.province-ai-proof-year {
  color: var(--case-detail-blue);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.1;
}

.province-ai-proof-card h2 {
  margin-top: var(--space-md);
  color: var(--ink-strong);
  font-size: clamp(1.15rem, 1.7vw, 1.45rem);
  line-height: 1.45;
}

.province-ai-proof-card strong {
  color: var(--case-detail-blue);
}

.province-ai-essence-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(8, 120, 249, 0.4);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(48, 137, 235, 0.78), rgba(8, 120, 249, 0.84) 52%, rgba(6, 88, 205, 0.88));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24), var(--shadow-lg);
  transition: border-color 180ms ease, box-shadow 180ms ease, filter 180ms ease, transform 180ms ease;
}

.province-ai-essence-card:hover {
  border-color: rgba(8, 120, 249, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 18px 42px rgba(8, 120, 249, 0.24);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.province-ai-essence-card h2 {
  color: #ffffff;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.5;
}

.province-ai-essence-card p {
  margin-top: var(--space-md);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 600;
  line-height: 1.65;
}

.province-ai-solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.surface-panel.province-ai-solution-card {
  position: relative;
  min-height: 300px;
  padding: clamp(1.5rem, 2.8vw, 2.4rem);
}

.province-ai-solution-index {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(8, 120, 249, 0.2);
  border-radius: var(--radius-md);
  background: rgba(8, 120, 249, 0.08);
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
}

.province-ai-solution-card h2 {
  margin-top: var(--space-lg);
  color: var(--case-detail-blue);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
}

.province-ai-solution-card p {
  margin-top: var(--space-md);
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.85;
}

/* ═══ 新一代端到端智慧文旅大模型系统详情页 ═══ */
.endpoint-ai-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.endpoint-ai-document-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: var(--space-md);
  min-width: 0;
}

.surface-panel.endpoint-ai-document-card {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 1.2vw, 1rem);
}

.surface-panel.endpoint-ai-document-card--zoomable {
  flex-direction: column;
}

.endpoint-ai-document-frame {
  position: relative;
  width: 100%;
}

.endpoint-ai-document-frame.is-notice {
  aspect-ratio: 4 / 5;
}

.endpoint-ai-document-frame.is-list {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: zoom-in;
}

.endpoint-ai-document-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.endpoint-ai-document-frame.is-notice img {
  object-fit: fill;
}

.endpoint-ai-document-frame.is-list img {
  object-fit: fill;
  transform: scale(1.06, 1.07);
  transform-origin: center;
}

.endpoint-ai-document-highlight {
  position: absolute;
  z-index: 2;
  top: 27.6%;
  left: 3.9%;
  width: 91.3%;
  height: 29.8%;
  pointer-events: none;
  border: 2px solid rgba(0, 132, 255, 0.9);
  border-radius: 7px;
  background: linear-gradient(90deg, rgba(15, 139, 255, 0.08), rgba(69, 176, 255, 0.16), rgba(15, 139, 255, 0.08));
  box-shadow:
    0 0 0 1px rgba(147, 218, 255, 0.72),
    0 0 14px rgba(0, 132, 255, 0.5),
    inset 0 0 12px rgba(0, 132, 255, 0.12);
}

.endpoint-ai-document-hint {
  margin-top: 0.45rem;
  color: rgba(38, 91, 139, 0.55);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

.endpoint-ai-lightbox {
  width: min(84vw, 1120px);
}

.endpoint-ai-lightbox-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1293 / 1101;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) - 6px);
  background: #fff;
}

.endpoint-ai-lightbox-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
  transform: scale(1.06, 1.07);
  transform-origin: center;
}

.endpoint-ai-proof-stack {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--space-lg);
  min-width: 0;
}

.surface-panel.endpoint-ai-endorsement-card,
.surface-panel.endpoint-ai-metrics-card,
.surface-panel.endpoint-ai-chain-card {
  padding: clamp(1.35rem, 2.4vw, 2rem);
}

.endpoint-ai-endorsement-card h2 {
  color: var(--case-detail-blue);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.35;
}

.endpoint-ai-endorsement-card p {
  margin-top: var(--space-md);
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.75;
}

.endpoint-ai-endorsement-card strong {
  color: var(--case-detail-blue);
}

.endpoint-ai-metrics-card {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0;
  align-items: stretch;
}

.endpoint-ai-metric {
  display: flex;
  min-width: 0;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 0.65rem;
  text-align: center;
}

.endpoint-ai-metric + .endpoint-ai-metric {
  border-left: 1px solid var(--line);
}

.endpoint-ai-metric strong {
  margin-top: 0.3rem;
  color: var(--case-detail-blue);
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.25;
}

.endpoint-ai-metric span {
  color: var(--ink-soft);
  font-size: 0.74rem;
  line-height: 1.45;
}

.endpoint-ai-metric--sentence span {
  font-size: 0.78rem;
  line-height: 1.65;
}

.endpoint-ai-metric--sentence strong {
  display: inline;
  margin-top: 0;
  font-size: inherit;
  font-weight: 800;
  line-height: inherit;
}

.endpoint-ai-system-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(300px, 0.78fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.endpoint-ai-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-top: 0;
}

.endpoint-ai-stage {
  position: relative;
  min-width: 0;
}

.endpoint-ai-stage:not(:last-child) .endpoint-ai-tag-grid::after {
  position: absolute;
  top: 50%;
  right: calc(var(--space-lg) * -0.5);
  color: rgba(8, 120, 249, 0.3);
  content: "›";
  font-size: 3rem;
  font-weight: 300;
  line-height: 1;
  transform: translate(50%, -50%);
}

.endpoint-ai-stage h2 {
  margin-top: 0;
  color: var(--case-detail-blue);
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  text-align: center;
}

.endpoint-ai-stage > p {
  margin-top: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.55;
  text-align: center;
}

.endpoint-ai-tag-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
  margin-top: var(--space-lg);
}

.endpoint-ai-tag-grid span {
  padding: 0.38rem 0.45rem;
  border: 1px solid rgba(8, 120, 249, 0.14);
  border-radius: 10px;
  background: rgba(8, 120, 249, 0.05);
  color: var(--ink-soft);
  font-size: 0.73rem;
  text-align: center;
}

.endpoint-ai-stage-summary {
  margin-top: var(--space-lg);
  color: var(--ink-strong);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.65;
}

.endpoint-ai-value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.surface-panel.endpoint-ai-value-card {
  min-height: 0;
  padding: 1rem;
  text-align: center;
}

.endpoint-ai-value-card strong {
  color: var(--case-detail-blue);
  font-size: 0.98rem;
}

.endpoint-ai-value-card p {
  margin-top: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.5;
}

/* ═══ 全场景目的地云服务项目详情页 ═══ */
.destination-cloud-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.surface-panel.destination-cloud-photo-card {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: clamp(0.75rem, 1.4vw, 1.1rem);
}

.destination-cloud-photo-crop {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1688 / 932;
  border-radius: calc(var(--radius-lg) - 6px);
  background: rgba(8, 120, 249, 0.06);
}

.destination-cloud-photo-crop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.destination-cloud-achievements {
  display: grid;
  min-width: 0;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.destination-cloud-achievement-card {
  display: flex;
  min-height: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: clamp(1rem, 1.8vw, 1.5rem);
}

.destination-cloud-achievement-copy {
  min-width: 0;
  flex: 1;
}

.destination-cloud-achievement-year {
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.destination-cloud-achievement-card h2 {
  margin-top: 0.35rem;
  color: var(--ink-strong);
  font-size: clamp(1rem, 1.55vw, 1.35rem);
  line-height: 1.38;
}

.destination-cloud-achievement-card:first-child h2 {
  margin-top: 0;
}

.destination-cloud-achievement-icon {
  display: grid;
  width: clamp(2.8rem, 4vw, 3.5rem);
  height: clamp(2.8rem, 4vw, 3.5rem);
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(8, 120, 249, 0.22);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(8, 120, 249, 0.12), rgba(25, 200, 233, 0.08));
  color: var(--case-detail-blue);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.destination-cloud-achievement-card:hover .destination-cloud-achievement-icon {
  border-color: rgba(8, 120, 249, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 8px 20px rgba(8, 120, 249, 0.14);
  transform: translateY(-2px) scale(1.04);
}

.destination-cloud-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-top: 0;
}

.destination-cloud-timeline::before {
  position: absolute;
  top: 12px;
  right: 1.5rem;
  left: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--case-detail-blue), var(--case-detail-cyan));
  content: "";
  opacity: 0.55;
}

.destination-cloud-stage {
  position: relative;
  min-height: 350px;
  margin-top: 34px;
  padding: clamp(1.35rem, 2vw, 1.85rem);
}

.destination-cloud-stage::before {
  position: absolute;
  top: -29px;
  left: 50%;
  width: 14px;
  height: 14px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--case-detail-blue);
  box-shadow: 0 0 0 4px rgba(8, 120, 249, 0.16);
  content: "";
  transform: translateX(-50%);
}

.destination-cloud-stage-year {
  display: block;
  color: var(--case-detail-blue);
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.destination-cloud-stage h3 {
  margin-top: var(--space-sm);
  padding: 0.42rem 0.7rem;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--case-detail-blue), #1769d7);
  color: #ffffff;
  font-size: 0.98rem;
  text-align: center;
}

.destination-cloud-stage ul {
  display: grid;
  gap: 0.6rem;
  margin-top: var(--space-lg);
}

.destination-cloud-stage li {
  position: relative;
  padding-left: 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.destination-cloud-stage li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--case-detail-blue);
  content: "";
}

/* “云智链”原生架构案例 */
.cloud-chain-page .section-header h2 {
  margin-top: var(--space-sm);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.25;
}

.cloud-chain-proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.68fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.surface-panel.cloud-chain-endorsement {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.5rem, 3vw, 2.6rem);
}

.cloud-chain-endorsement h2 {
  max-width: 16em;
  margin-top: 0.65rem;
  color: var(--ink-strong);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1.25;
}

.cloud-chain-endorsement h2 strong,
.cloud-chain-endorsement .eyebrow {
  color: var(--case-detail-blue);
}

.cloud-chain-endorsement > p:not(.eyebrow) {
  max-width: 52rem;
  margin-top: var(--space-lg);
  color: var(--ink-soft);
  font-size: clamp(0.96rem, 1.25vw, 1.08rem);
  line-height: 1.9;
}

.cloud-chain-proof-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: var(--space-xl);
}

.cloud-chain-proof-points span,
.cloud-chain-tags span {
  border: 1px solid rgba(8, 120, 249, 0.16);
  border-radius: 10px;
  background: rgba(8, 120, 249, 0.055);
  color: var(--ink-soft);
}

.cloud-chain-proof-points span {
  padding: 0.48rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.surface-panel.cloud-chain-certificate-card {
  display: flex;
  min-width: 0;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: clamp(0.85rem, 1.5vw, 1.15rem);
}

.cloud-chain-certificate-card img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 580px;
  object-fit: contain;
}

.cloud-chain-certificate-card figcaption {
  margin-top: 0.65rem;
  color: rgba(38, 91, 139, 0.6);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.cloud-chain-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(370px, 0.92fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  align-items: stretch;
}

.cloud-chain-stack,
.cloud-chain-metrics {
  display: grid;
  gap: var(--space-md);
}

.surface-panel.cloud-chain-layer {
  display: grid;
  grid-template-columns: minmax(132px, 0.27fr) minmax(0, 0.73fr);
  grid-template-rows: auto auto;
  column-gap: var(--space-lg);
  padding: clamp(1rem, 1.6vw, 1.35rem);
  border-color: rgba(8, 120, 249, 0.2);
}

.surface-panel.cloud-chain-layer--core {
  border-color: rgba(8, 120, 249, 0.4);
  background: linear-gradient(135deg, rgba(8, 120, 249, 0.09), rgba(42, 175, 255, 0.04));
}

.cloud-chain-layer-title {
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding-right: var(--space-lg);
  border-right: 1px solid var(--line);
  text-align: center;
}

.cloud-chain-layer-title > span {
  color: var(--case-detail-blue);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cloud-chain-layer-title h3 {
  margin-top: 0.35rem;
  color: var(--ink-strong);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
}

.cloud-chain-layer > p {
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.7;
}

.cloud-chain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin-top: 0.75rem;
}

.cloud-chain-tags span {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.55rem;
  font-size: 0.72rem;
  line-height: 1.25;
  text-align: center;
}

.cloud-chain-tags--nested {
  align-items: stretch;
}

.cloud-chain-tag-group {
  display: flex;
  min-width: 0;
  align-items: center;
  flex: 1 1 250px;
  gap: 0.5rem;
  padding: 0.42rem;
  border: 1px solid rgba(8, 120, 249, 0.2);
  border-radius: 12px;
  background: rgba(8, 120, 249, 0.04);
}

.cloud-chain-tag-group > strong {
  flex: 0 0 auto;
  padding: 0 0.25rem;
  color: var(--case-detail-blue);
  font-size: 0.75rem;
  font-weight: 800;
  white-space: nowrap;
}

.cloud-chain-tag-children {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-wrap: wrap;
  gap: 0.36rem;
}

.cloud-chain-tag-children span {
  min-height: 1.7rem;
  flex: 1 1 auto;
  border-color: rgba(8, 120, 249, 0.12);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.68rem;
}

.cloud-chain-tag-single {
  flex: 0 1 auto;
}

[data-theme="dark"] .cloud-chain-tag-children span {
  background: rgba(8, 120, 249, 0.1);
}

.surface-panel.cloud-chain-metric-group {
  padding: clamp(1.2rem, 2vw, 1.6rem);
}

.cloud-chain-metric-group h3 {
  color: var(--case-detail-blue);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  text-align: center;
}

.cloud-chain-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: var(--space-lg);
}

.cloud-chain-metric-grid > div {
  display: flex;
  min-height: 86px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 0.75rem;
  border: 1px solid rgba(8, 120, 249, 0.14);
  border-radius: 12px;
  background: rgba(8, 120, 249, 0.045);
  text-align: center;
}

.cloud-chain-metric-grid span {
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.45;
}

.cloud-chain-metric-grid strong {
  margin-top: 0.3rem;
  color: var(--case-detail-blue);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1.15;
}

.cloud-chain-metric-grid .cloud-chain-metric-wide {
  min-height: 78px;
}

.cloud-chain-value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.surface-panel.cloud-chain-value {
  display: flex;
  min-height: 126px;
  align-items: center;
  gap: 0.8rem;
  padding: 1.1rem;
}

.cloud-chain-value > span {
  flex: 0 0 auto;
  color: rgba(8, 120, 249, 0.34);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
}

.cloud-chain-value h3 {
  color: var(--case-detail-blue);
  font-size: 1rem;
}

.cloud-chain-value p {
  margin-top: 0.3rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.55;
}

@media (max-width: 1099px) {
  .cloud-chain-proof-grid,
  .cloud-chain-main-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .cloud-chain-certificate-card img {
    max-height: 520px;
  }

  .cloud-chain-value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .endpoint-ai-top-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  }

  .endpoint-ai-metrics-card {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .endpoint-ai-metric + .endpoint-ai-metric {
    border-left: 0;
  }

  .endpoint-ai-metric:nth-child(n + 5) {
    border-top: 1px solid var(--line);
  }

  .endpoint-ai-system-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .province-ai-showcase {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.96fr);
  }

  .metaverse-showcase {
    grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  }

  .metaverse-insight-card p {
    line-height: 1.55;
  }

  .destination-cloud-showcase {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 1fr);
  }

  .destination-cloud-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .destination-cloud-timeline::before {
    display: none;
  }

  .destination-cloud-stage {
    min-height: 0;
    margin-top: 0;
  }

  .destination-cloud-stage::before {
    display: none;
  }
}

@media (max-width: 799px) {
  .endpoint-ai-top-grid,
  .endpoint-ai-system-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .endpoint-ai-chain {
    grid-template-columns: minmax(0, 1fr);
  }

  .endpoint-ai-stage:not(:last-child)::after {
    display: none;
  }

  .province-ai-showcase,
  .province-ai-solution-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .province-ai-document-stack,
  .province-ai-side-stack {
    grid-template-rows: auto;
  }

  .surface-panel.province-ai-solution-card {
    min-height: 0;
  }

  .metaverse-showcase {
    grid-template-columns: minmax(0, 1fr);
  }

  .metaverse-insight-stack,
  .metaverse-media-stack {
    grid-template-rows: auto;
  }

  .case-detail-showcase-grid {
    grid-template-columns: minmax(0, 1fr);
    width: min(100%, 640px);
  }

  .surface-panel.case-detail-evidence-card {
    min-height: 0;
  }

  .case-detail-side-stack {
    grid-template-rows: auto;
  }

  .case-proof-card,
  .case-essence-card,
  .case-detail-value-card {
    min-height: 0;
  }

  .case-detail-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .destination-cloud-showcase {
    grid-template-columns: minmax(0, 1fr);
  }

  .destination-cloud-achievements {
    grid-template-rows: auto;
  }
}

@media (max-width: 479px) {
  .surface-panel.cloud-chain-layer {
    grid-template-columns: minmax(0, 1fr);
  }

  .cloud-chain-layer-title {
    grid-row: auto;
    align-items: flex-start;
    padding-right: 0;
    padding-bottom: 0.75rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
  }

  .cloud-chain-layer > p {
    margin-top: 0.75rem;
  }

  .cloud-chain-metric-grid,
  .cloud-chain-value-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .endpoint-ai-document-grid,
  .endpoint-ai-value-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .endpoint-ai-metrics-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .endpoint-ai-metric:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .metaverse-doc-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .surface-panel.metaverse-insight-card {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-md);
  }

  .case-detail-hero {
    padding-top: var(--space-xl);
  }

  .case-detail-hero-card {
    padding: 1.5rem;
  }

  .case-detail-hero-card h1 {
    font-size: clamp(1.7rem, 9vw, 2.25rem);
  }

  .case-proof-card,
  .case-essence-card,
  .case-detail-value-card {
    padding: 1.35rem;
  }

  .destination-cloud-timeline {
    grid-template-columns: minmax(0, 1fr);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  min-height: 100%;
  background: var(--bg-bottom);
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 14% 16%, var(--page-glow-a), transparent 26%),
    radial-gradient(circle at 84% 8%, var(--page-glow-b), transparent 24%),
    radial-gradient(circle at 58% 110%, rgba(255, 255, 255, 0.02), transparent 30%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  background-color: var(--bg-bottom);
  color: var(--page-fg);
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(80px);
}
body::before { top: 6vh; left: -6rem; width: 18rem; height: 18rem; background: rgba(90, 148, 225, 0.06); }
body::after  { right: -4rem; bottom: 8vh; width: 16rem; height: 16rem; background: rgba(59, 130, 246, 0.05); }

::selection { background: rgba(59, 130, 246, 0.32); color: #ffffff; }

a { color: inherit; text-decoration: none; }
p { line-height: 1.75; }
ul { list-style: none; }
svg { display: block; flex-shrink: 0; }

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

/* ── Skip link (可访问性) ── */
.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-button);
  background: var(--brand-secondary);
  color: #052033;
  font-weight: 600;
  transition: top 180ms ease;
}
.skip-link:focus { top: 0.75rem; }

/* ════════════════════════════════════════
 * Header — fixed 液态玻璃
 * ════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(26px) saturate(160%);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
}

.site-header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: 4.25rem;
}

.site-header-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
  white-space: nowrap;
}

/* logo 单色化：不改 png，仅 CSS filter；干净裸放（无背景/阴影/发光） */
.site-header-logo-mark {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  background: none;
  box-shadow: none;
  filter: brightness(0) invert(1); /* 深色主题：纯白单色 */
}

header.site-header .site-header-logo-mark {
  width: 160px;
  height: auto;
  aspect-ratio: 360 / 89;
}

@media (max-width: 1023px) {
  header.site-header .site-header-logo-mark {
    width: 144px;
  }
}

@media (max-width: 380px) {
  header.site-header .site-header-logo-mark {
    width: 125px;
  }
}

.site-header-logo-en {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.site-header-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 2.4rem;
  padding: 0 0.78rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--header-muted);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: var(--nav-hover-bg);
  color: #ffffff;
  border-color: rgba(147, 197, 253, 0.18);
}

.site-header-cta { margin-left: var(--space-sm); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-button);
  border: 1px solid var(--header-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-strong);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* 主题切换按钮（圆形图标：dark 显示太阳 / light 显示月亮） */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-left: var(--space-sm);
  border-radius: 50%;
  border: 1px solid var(--header-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--header-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}
.theme-toggle:hover { background: var(--nav-hover-bg); color: var(--header-text); }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.mobile-nav .theme-toggle { margin: var(--space-md) 0 0; }

/* 移动端抽屉 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 4.25rem;
  left: 0;
  right: 0;
  z-index: 99;
  padding: var(--space-md) var(--space-xl) var(--space-xl);
  background: rgba(8, 15, 24, 0.94);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(26px) saturate(160%);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  box-shadow: var(--shadow-lg);
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--header-muted);
  border-bottom: 1px solid rgba(176, 193, 212, 0.10);
  transition: color 180ms ease;
}
.mobile-nav a:hover,
.mobile-nav a[aria-current="page"] { color: #ffffff; }
.mobile-nav .btn { margin-top: var(--space-md); width: 100%; }

/* ════════════════════════════════════════
 * 通用 primitives
 * ════════════════════════════════════════ */
main { padding-top: 4.25rem; }

.section { padding: var(--space-4xl) 0; }
.section-tight { padding: var(--space-3xl) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(140, 163, 180, 0.92);
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: rgba(140, 163, 180, 0.5);
}

.section-head { margin-bottom: var(--space-2xl); max-width: 46rem; }
.section-head h2 {
  margin-top: var(--space-sm);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
  line-height: 1.3;
  white-space: nowrap;
}
.section-head p { margin-top: var(--space-sm); color: var(--ink-soft); font-size: 0.98rem; }

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.section-head-row .section-head { margin-bottom: 0; }
.section-head-row .section-link {
  margin-bottom: 0.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--brand-text);
  transition: color 180ms ease, transform 180ms ease;
}
.section-head-row .section-link:hover { color: #ffffff; transform: translateX(2px); }
.section-head-row + * { margin-top: 0; }

/* 首页栏目统一节奏：标题 → 说明 → 后续内容均为 20px */
.home-page .section-head { margin-bottom: var(--space-lg); }
.home-page .section-head p { margin-top: var(--space-lg); }
.home-page .section-head-row .section-head { margin-bottom: 0; }
.home-page .section-head-row + * { margin-top: var(--space-lg); }

/* ── Chip ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 2rem;
  padding: 0 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--brand-tint-border);
  background: var(--brand-tint-bg);
  color: var(--brand-text);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.chip:hover { background: rgba(56, 189, 248, 0.16); border-color: rgba(56, 189, 248, 0.42); }
.chip-neutral {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
}
.chip-warm {
  border-color: rgba(245, 204, 125, 0.32);
  background: rgba(245, 204, 125, 0.10);
  color: var(--accent-warm);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: var(--radius-button);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.7rem 1.15rem;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease,
    transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}
.btn-primary {
  background: linear-gradient(180deg, var(--brand-primary), var(--brand-secondary));
  color: #052033;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); filter: brightness(1.05); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-strong);
  color: var(--ink-strong);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.09); border-color: rgba(147, 197, 253, 0.32); }
.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.86rem; }

/* ── Glass card ── */
.surface-panel {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: var(--space-xl);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), var(--shadow-md);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.surface-panel:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-lg);
}

/* ── Poster（hero / CTA 深蓝实色岛）── */
.poster-surface {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #0b1724 0%, #102b45 58%, #11253c 100%);
  padding: var(--space-2xl);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-xl);
  color: #f5f9ff;
  overflow: hidden;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --ink-soft: rgba(233, 245, 255, 0.72);
  --muted: rgba(207, 218, 229, 0.6);
  /* 品牌 token 局部再声明：poster 深色岛在 light/dark 两主题保持一致 */
  --brand-tint-bg: rgba(56, 189, 248, 0.10);
  --brand-tint-border: rgba(56, 189, 248, 0.25);
  --brand-text: #7dd3fc;
  --accent-warm: #f5cc7d;
}

.hero-glow {
  position: absolute;
  inset: -10%;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 18%, rgba(56, 189, 248, 0.20), transparent 38%),
    radial-gradient(circle at 78% 14%, rgba(59, 130, 246, 0.16), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(245, 204, 125, 0.10), transparent 36%);
  z-index: 0;
  filter: blur(2px);
}

/* ════════════════════════════════════════
 * Hero（首页首屏）
 * ════════════════════════════════════════ */
.hero-wrap { padding: var(--space-2xl) 0 0; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-3xl);
  align-items: center;
  padding: clamp(2rem, 4.5vw, 3.75rem);
}
.hero > :not(.hero-glow):not(.hero-logo-watermark) { position: relative; z-index: 2; }

.hero-logo-watermark {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: clamp(-2rem, -1vw, -0.5rem);
  width: clamp(20rem, 34vw, 31rem);
  height: auto;
  transform: translateY(-50%);
  opacity: 0.11;
  filter: brightness(0) invert(1);
  pointer-events: none;
  user-select: none;
}

.hero-title {
  margin-top: var(--space-lg);
  font-size: clamp(1.9rem, 4.2vw, 3.15rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: #f5f9ff;
}
.hero-title .accent {
  background: linear-gradient(120deg, #7dd3fc, #38bdf8 55%, #60a5fa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: var(--space-lg);
  max-width: 36rem;
  color: rgba(233, 245, 255, 0.78);
  font-size: 1.02rem;
}

.hero-chip-row {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.hero-action-row {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-slogan {
  margin-top: var(--space-xl);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: rgba(245, 204, 125, 0.85);
}
.hero-slogan::before { content: ""; width: 1.25rem; height: 1px; background: rgba(245, 204, 125, 0.5); }

.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.hero-stat-tile {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.hero-stat-tile:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(56, 189, 248, 0.22);
  transform: translateY(-1px);
}
.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #f5f9ff;
  line-height: 1.1;
}
.hero-stat-unit { margin-left: 0.2rem; font-size: 0.78rem; font-weight: 500; opacity: 0.7; }
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(233, 245, 255, 0.62);
}

/* 首页数据方块统一使用主标题字体 */
.home-page .hero-stat-value,
.home-page .hero-stat-label {
  font-family: var(--font-sans);
}
.home-page .hero-stat-tile {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.085);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 8px 24px rgba(3, 18, 38, 0.10);
}
.home-page .hero-stat-tile:hover {
  border-color: rgba(125, 211, 252, 0.34);
  background: rgba(255, 255, 255, 0.12);
}
.home-page .hero-logo-watermark {
  right: clamp(0.5rem, 1.5vw, 1.5rem);
  width: clamp(19rem, 28vw, 25rem);
  opacity: 0.13;
}

/* ════════════════════════════════════════
 * 卡片网格
 * ════════════════════════════════════════ */
.grid { display: grid; gap: var(--space-lg); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* 核心能力卡 */
.cap-card { display: flex; flex-direction: column; gap: var(--space-md); }
.cap-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--brand-tint-border);
  background: var(--brand-tint-bg);
  color: var(--brand-text);
}
.cap-card h3 { font-size: 1.08rem; font-weight: 600; color: var(--ink-strong); }
.cap-card p { font-size: 0.92rem; color: var(--ink-soft); flex: 1; }
.cap-card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cap-card-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.03);
}
.cap-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--brand-text);
  transition: color 180ms ease, transform 180ms ease;
}
.cap-card-link:hover { color: #ffffff; transform: translateX(2px); }

/* 行业方案卡（tone 色带）*/
.solution-card {
  --tone-rgb: 59, 130, 246;
  --tone-highlight-rgb: 34, 211, 238;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-top: calc(var(--space-xl) + 3px);
  background:
    linear-gradient(145deg, rgba(var(--tone-rgb), 0.13), rgba(var(--tone-rgb), 0.035) 46%, transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 54%),
    var(--panel);
}
.solution-card > * {
  position: relative;
  z-index: 2;
}
.solution-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--tone, var(--accent-deep));
  opacity: 0.9;
}
.solution-card[data-tone="blue"]  { --tone: #3b82f6; --tone-rgb: 59, 130, 246; --tone-highlight-rgb: 34, 211, 238; --tone-soft: rgba(59, 130, 246, 0.14); --tone-text: #93c5fd; }
.solution-card[data-tone="cyan"]  { --tone: #22d3ee; --tone-rgb: 34, 211, 238; --tone-highlight-rgb: 125, 211, 252; --tone-soft: rgba(34, 211, 238, 0.12); --tone-text: #67e8f9; }
.solution-card[data-tone="purple"] { --tone: #818cf8; --tone-rgb: 129, 140, 248; --tone-highlight-rgb: 192, 132, 252; --tone-soft: rgba(129, 140, 248, 0.14); --tone-text: #c4b5fd; }
.solution-card[data-tone="amber"] { --tone: #f5cc7d; --tone-rgb: 245, 204, 125; --tone-highlight-rgb: 251, 191, 36; --tone-soft: rgba(245, 204, 125, 0.12); --tone-text: #f5cc7d; }
.solution-card-index {
  position: absolute;
  top: 0;
  right: 1rem;
  width: 60%;
  box-sizing: border-box;
  padding: 0.16em 0.28em 0.18em 0.08em;
  text-align: right;
  z-index: 1;
  font-family: var(--font-sans);
  font-size: clamp(5rem, 6.6vw, 6.25rem);
  line-height: 1.08;
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.11em;
  background:
    linear-gradient(
      154deg,
      rgba(var(--tone-rgb), 0.30) 0%,
      rgba(var(--tone-rgb), 0.12) 43%,
      rgba(var(--tone-highlight-rgb), 0.36) 78%,
      rgba(255, 255, 255, 0.08) 100%
    );
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 10px 16px rgba(var(--tone-highlight-rgb), 0.07));
  transform: none;
  user-select: none;
  pointer-events: none;
}
.solution-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--tone-soft);
  border: 1px solid color-mix(in srgb, var(--tone) 30%, transparent);
  color: var(--tone-text);
}
.solution-card h3 {
  max-width: calc(100% - 7rem);
  min-height: 4.6rem;
  font-size: clamp(1.4rem, 2vw, 1.58rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-strong);
}
.solution-card .solution-engine {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.06em;
  color: var(--tone-text);
}
.solution-card p { font-size: 0.92rem; color: var(--ink-soft); }
.solution-card ul { display: flex; flex-direction: column; gap: 0.45rem; flex: 1; }
.solution-card li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.solution-card li strong {
  flex-shrink: 0;
  font-weight: 700;
  color: var(--ink-strong);
}
.solution-card li span { min-width: 0; }
.solution-card li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--tone);
  flex-shrink: 0;
  transform: translateY(-2px);
}

/* 业务卡片内：核心业务与下方说明之间的淡分割线 */
.solution-card .solution-engine + p {
  min-height: 8rem;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(var(--tone-rgb), 0.18);
}

/* 统一三张卡片的高度与说明区分割线位置 */
#solutions .solution-card {
  min-height: 22rem;
  padding-bottom: var(--space-md);
}

#solutions .solution-card .solution-engine {
  min-height: 3rem;
}

/* 独立成功案例页：标准信息卡布局 */
.case-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.case-card-grid {
  grid-auto-rows: var(--case-card-uniform-height, 1fr);
  align-items: stretch;
}
.case-card-grid .case-card {
  height: 100%;
}
.case-card-grid-measure {
  position: fixed !important;
  top: 0;
  left: -200vw;
  width: auto;
  margin: 0 !important;
  visibility: hidden;
  pointer-events: none;
  grid-auto-rows: auto !important;
}
.case-card-grid-measure .case-card {
  height: auto;
}
.case-card-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.case-card-meta span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--brand-tint-border);
  background: var(--brand-tint-bg);
  color: var(--brand-text);
}
.case-card[data-filter-item][data-industry="landing"] {
  --case-accent: #38bdf8;
  --case-accent-rgb: 56, 189, 248;
}
.case-card[data-filter-item][data-industry="intelligence"] {
  --case-accent: #818cf8;
  --case-accent-rgb: 129, 140, 248;
}
.case-card[data-filter-item][data-industry="foundation"] {
  --case-accent: #22d3ee;
  --case-accent-rgb: 34, 211, 238;
}
.case-card[data-filter-item] .case-card-meta span {
  background: rgba(var(--case-accent-rgb), 0.12);
  color: var(--case-accent);
}
.case-card-more {
  align-self: flex-end;
  margin-top: auto;
}
.case-card-meta span.tag-region {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}
.case-card h3 { font-size: 1.04rem; font-weight: 600; color: var(--ink-strong); }
.case-card p { font-size: 0.9rem; color: var(--ink-soft); flex: 1; }
.case-card-result {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--line);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.case-card-result strong { color: var(--brand-text); font-weight: 600; }

/* 首页标杆案例：大号数字标识 + 三类业务主题科技背景 */
.home-page .case-card {
  --case-accent: #38bdf8;
  --case-accent-rgb: 56, 189, 248;
  --case-accent-2: #22d3ee;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: block;
  aspect-ratio: 6 / 5;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.home-page .case-card--industry {
  --case-accent: #38bdf8;
  --case-accent-rgb: 56, 189, 248;
  --case-accent-2: #22d3ee;
}
.home-page .case-card--ai {
  --case-accent: #818cf8;
  --case-accent-rgb: 129, 140, 248;
  --case-accent-2: #c084fc;
}
.home-page .case-card--foundation {
  --case-accent: #22d3ee;
  --case-accent-rgb: 34, 211, 238;
  --case-accent-2: #38bdf8;
}
.home-page .case-card > :not(.case-card-art) { z-index: 2; }
.home-page .case-card-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  user-select: none;
}
.home-page .case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 0 14px rgba(255, 255, 255, 0.26);
}
.home-page .surface-panel.case-card:hover {
  border-color: transparent;
  box-shadow: none;
}
.home-page .case-card-meta {
  position: absolute;
  top: 17%;
  left: 7%;
  right: 42%;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.home-page .case-card-meta span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--brand-tint-border);
  background: rgba(var(--case-accent-rgb), 0.12);
  color: var(--case-accent);
}
.home-page .case-card-meta span.tag-region {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}
.home-page .case-card h3 {
  position: absolute;
  top: 32%;
  left: 7%;
  right: 38%;
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 700;
  color: #0b1724;
}
.home-page .case-card p { font-size: 0.9rem; color: #44566a; }
.home-page .case-card-items {
  position: absolute;
  top: 51%;
  left: 7%;
  right: 7%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.home-page .case-card-result {
  position: relative;
  width: 100%;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(var(--case-accent-rgb), 0.18);
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.home-page .case-card-result strong {
  color: #0b1724;
  font-weight: 600;
  text-shadow: 0 1px 16px rgba(5, 15, 30, 0.36);
}

[data-theme="light"] .home-page .case-card {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}
[data-theme="light"] .home-page .case-card-result strong {
  color: #0b1724;
  text-shadow: 0 1px 14px rgba(255, 255, 255, 0.92);
}

@media (max-width: 1023px) {
  .home-page .case-card { min-height: 0; }
}

@media (max-width: 639px) {
  .home-page .case-card { min-height: 0; }
  .home-page .case-card h3 { right: 32%; }
  .home-page .case-card-meta { right: 34%; }
}

/* 创新成果 */
.innov-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-lg);
}
.innov-tile { display: flex; flex-direction: column; gap: 0.5rem; }
.innov-value {
  font-family: inherit;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: none;
  color: var(--ink-strong);
  -webkit-text-fill-color: var(--ink-strong);
}
.innov-value .unit {
  margin-left: 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  -webkit-text-fill-color: var(--ink-soft);
}
.innov-tile h3 { font-size: 0.98rem; font-weight: 600; color: var(--ink-strong); }
.innov-tile p { font-size: 0.86rem; color: var(--muted); }

/* ════════════════════════════════════════
 * 资质荣誉 marquee 滚动墙
 * ════════════════════════════════════════ */
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee + .marquee { margin-top: var(--space-md); }
.marquee-track {
  display: flex;
  gap: var(--space-md);
  width: max-content;
  animation: marquee-scroll 46s linear infinite;
}
.marquee-reverse .marquee-track { animation-direction: reverse; animation-duration: 54s; }
.marquee-reverse .marquee-track { gap: 0; }
.marquee-reverse .marquee-group {
  display: flex;
  flex: none;
  gap: var(--space-md);
  padding-right: var(--space-md);
}
.marquee-reverse .honor-level { display: none; }
.marquee:hover .marquee-track { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.honor-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), var(--shadow-sm);
}
.honor-pill svg { color: var(--brand-text); }
.honor-pill .honor-level {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--accent-warm);
  border: 1px solid rgba(245, 204, 125, 0.3);
  border-radius: var(--radius-pill);
  padding: 0.12rem 0.45rem;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; }
  .marquee { mask-image: none; -webkit-mask-image: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* 合作生态文字 logo 墙 */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}
.partner-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 5.5rem;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}
.partner-tile:hover {
  border-color: var(--brand-tint-border);
  background: rgba(56, 189, 248, 0.05);
  transform: translateY(-1px);
}
.partner-tile strong { font-size: 0.95rem; font-weight: 600; color: var(--ink); letter-spacing: 0.02em; }
.partner-tile span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ════════════════════════════════════════
 * 咨询转化（CTA + 表单）
 * ════════════════════════════════════════ */
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--space-3xl);
  padding: clamp(2rem, 4vw, 3.25rem);
}
.contact-panel > .hero-glow {
  position: absolute;
}
.contact-panel > :not(.hero-glow) {
  position: relative;
  z-index: 1;
}
.contact-panel > [data-contact-form] {
  grid-column: 1;
  grid-row: 1;
}
.contact-info {
  grid-column: 2;
  grid-row: 1;
}
.contact-info h2 {
  margin-top: var(--space-md);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  color: #f5f9ff;
  line-height: 1.3;
}
.contact-info > p { margin-top: var(--space-md); color: rgba(233, 245, 255, 0.75); font-size: 0.95rem; }

.contact-list { margin-top: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); }
.contact-list li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.92rem; color: rgba(233, 245, 255, 0.82); }
.contact-list svg { color: var(--brand-text); margin-top: 2px; }
.contact-list .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(233, 245, 255, 0.5);
  margin-bottom: 0.2rem;
}

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { font-size: 0.85rem; font-weight: 500; color: rgba(233, 245, 255, 0.85); }
.form-field label .req { color: var(--brand-text); }

.input {
  width: 100%;
  border-radius: var(--radius-button);
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--ink-strong);
  padding: 0.7rem 0.9rem;
  font: inherit;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
.input:focus {
  border-color: rgba(147, 197, 253, 0.32);
  box-shadow: var(--shadow-focus);
  background: var(--input-bg-focus);
}
.input::placeholder { color: var(--muted); }
select.input { appearance: none; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 0.9rem;
  top: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.8px solid var(--muted);
  border-bottom: 1.8px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.textarea { resize: vertical; min-height: 6.5rem; line-height: 1.7; }
.form-hint { font-size: 0.78rem; color: rgba(233, 245, 255, 0.5); }
.form-success {
  display: none;
  margin-top: var(--space-md);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-button);
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.10);
  color: var(--brand-text);
  font-size: 0.9rem;
}
.form-success.is-visible { display: flex; align-items: center; gap: 0.5rem; }
.form-error {
  display: none;
  margin-top: var(--space-md);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-button);
  border: 1px solid rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.1);
  color: #fecaca;
  font-size: 0.9rem;
}
.form-error.is-visible { display: block; }

/* ════════════════════════════════════════
 * 内页 hero（poster 窄版）
 * ════════════════════════════════════════ */
.page-hero-wrap { padding: var(--space-2xl) 0 var(--space-md); }
.page-hero { padding: clamp(2rem, 4vw, 3rem); }
.page-hero > :not(.hero-glow):not(.hero-logo-watermark) { position: relative; z-index: 1; }
.page-hero > .hero-logo-watermark {
  top: 50%;
  right: clamp(0.5rem, 1.5vw, 1.5rem);
  width: clamp(14rem, 26vw, 23rem);
  transform: translateY(-50%);
  opacity: 0.13;
}

/* 分页面标题卡片 Logo 定位基准 */
.page-hero > .hero-logo-watermark {
  top: 50%;
  right: clamp(0.5rem, 1.5vw, 1.5rem);
  transform: translateY(-50%);
}
.page-hero h1 {
  margin-top: var(--space-md);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f5f9ff;
  line-height: 1.25;
}
.page-hero p {
  margin-top: var(--space-md);
  max-width: 44rem;
  color: rgba(233, 245, 255, 0.75);
  font-size: 1rem;
}
.page-hero .hero-chip-row { margin-top: var(--space-lg); }
.page-hero .hero-action-row { margin-top: var(--space-lg); }

/* ════════════════════════════════════════
 * 能力详情块（capabilities）
 * ════════════════════════════════════════ */
.cap-detail {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-2xl);
  padding: var(--space-2xl);
}
.cap-detail-head { display: flex; flex-direction: column; gap: var(--space-md); }
.cap-detail-head h2 { font-size: 1.45rem; font-weight: 700; color: var(--ink-strong); }
.cap-detail-head p { font-size: 0.94rem; color: var(--ink-soft); }
.cap-detail-body { display: flex; flex-direction: column; gap: var(--space-lg); }

.kv-block h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(140, 163, 180, 0.92);
  margin-bottom: 0.6rem;
}
.kv-block h3::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.kv-block p { font-size: 0.92rem; color: var(--ink-soft); }
.kv-block ul { display: flex; flex-direction: column; gap: 0.45rem; }
.kv-block li { display: flex; gap: 0.55rem; align-items: baseline; font-size: 0.9rem; color: var(--ink-soft); }
.kv-block li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--brand-primary);
  flex-shrink: 0;
  transform: translateY(-2px);
}
.kv-inline-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* 架构分层图（纯 CSS）*/
.arch-stack { display: flex; flex-direction: column; gap: 0.5rem; }
.arch-layer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--brand-tint-border);
  background: var(--brand-tint-bg);
  font-size: 0.86rem;
  color: var(--ink);
}
.arch-layer .arch-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-text);
  min-width: 5.5rem;
}
.arch-layer:nth-child(2) { background: rgba(56, 189, 248, 0.07); }
.arch-layer:nth-child(3) { background: rgba(56, 189, 248, 0.05); }
.arch-layer:nth-child(4) { background: rgba(56, 189, 248, 0.03); }

/* ════════════════════════════════════════
 * 解决方案页流程条 / 价值区
 * ════════════════════════════════════════ */
/* tone 色带（任意面板顶部 3px 色条）*/
.tone-band { overflow: hidden; }
.tone-band::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--tone, var(--accent-deep));
  opacity: 0.9;
}
.tone-band[data-tone="blue"]  { --tone: #3b82f6; --tone-soft: rgba(59, 130, 246, 0.14); --tone-text: #93c5fd; }
.tone-band[data-tone="cyan"]  { --tone: #22d3ee; --tone-soft: rgba(34, 211, 238, 0.12); --tone-text: #67e8f9; }
.tone-band[data-tone="amber"] { --tone: #f5cc7d; --tone-soft: rgba(245, 204, 125, 0.12); --tone-text: #f5cc7d; }
.tone-band .solution-engine {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--tone-text, var(--brand-text));
}

.flow-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-md); }
.flow-step {
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}
.flow-step .flow-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--brand-text);
}
.flow-step h4 { margin-top: 0.5rem; font-size: 0.96rem; font-weight: 600; color: var(--ink-strong); }
.flow-step p { margin-top: 0.4rem; font-size: 0.84rem; color: var(--muted); }

/* ════════════════════════════════════════
 * 筛选器（cases / news）
 * ════════════════════════════════════════ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-2xl);
  padding: var(--space-lg) var(--space-xl);
}
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.filter-group-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.25rem;
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  height: 2rem;
  padding: 0 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}
.filter-pill:hover { border-color: var(--brand-tint-border); color: var(--brand-text); }
.filter-pill.is-active {
  border-color: rgba(56, 189, 248, 0.42);
  background: var(--brand-tint-bg);
  color: var(--brand-text);
}
.filter-empty {
  display: none;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}
.filter-empty.is-visible { display: block; }
[data-filter-item].is-hidden { display: none; }

/* 动态与成果列表 */
.news-item {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) auto;
  gap: var(--space-lg);
  align-items: baseline;
  padding: var(--space-lg) var(--space-xl);
}
.news-item .news-year {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--brand-text);
  letter-spacing: 0.04em;
}
.news-item h3 { font-size: 0.98rem; font-weight: 600; color: var(--ink-strong); line-height: 1.5; }
.news-item p { margin-top: 0.3rem; font-size: 0.86rem; color: var(--muted); }
.news-type-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--brand-tint-border);
  background: var(--brand-tint-bg);
  color: var(--brand-text);
  white-space: nowrap;
}
.news-list { display: flex; flex-direction: column; gap: var(--space-sm); }

/* 新闻动态索引 */
.news-index-section { padding-top: var(--space-2xl); }
.news-index-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.news-index-heading h2 {
  margin-top: 0.45rem;
  color: var(--ink-strong);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
}
.news-count {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}
.news-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xl);
}
.news-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}
.news-card:hover {
  transform: translateY(-5px);
  border-color: var(--brand-tint-border);
  box-shadow: var(--shadow-lg);
}
.news-card-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #061b3c;
}
.news-card-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 500ms ease;
}
.opening-card-visual {
  background: #a90000;
}
.opening-card-visual img {
  object-fit: contain;
}
.new-year-card-visual {
  background: #f7edda;
}
.new-year-card-visual img {
  object-fit: contain;
}
.eve-card-visual {
  background: #ae0000;
}
.eve-card-visual img {
  object-fit: contain;
}
.news-card:hover .news-card-visual img { transform: scale(1.035); }
.news-card-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 54%, rgba(2, 12, 28, 0.64));
}
.news-card-visual-label {
  position: absolute;
  z-index: 1;
  left: var(--space-lg);
  bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.9);
}
.news-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--space-xl);
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--brand-text);
}
.news-card-meta span {
  padding-left: var(--space-sm);
  border-left: 1px solid var(--line-strong);
}
.news-card h3 {
  color: var(--ink-strong);
  font-size: 1.18rem;
  line-height: 1.55;
}
.news-card p {
  margin-top: var(--space-sm);
  color: var(--ink-soft);
  font-size: 0.88rem;
}
.news-card-link {
  margin-top: auto;
  padding-top: var(--space-xl);
  color: var(--brand-text);
  font-size: 0.84rem;
  font-weight: 600;
}

/* 新闻详情 */
.article-container { max-width: 920px; }
.article-header {
  padding: clamp(3rem, 7vw, 6rem) 0 var(--space-3xl);
  border-bottom: 1px solid var(--line);
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.84rem;
  transition: color 180ms ease;
}
.article-back:hover { color: var(--brand-text); }
.article-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  font-family: var(--font-mono);
  color: var(--brand-text);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}
.article-kicker time {
  padding-left: var(--space-md);
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
}
.article-header h1 {
  max-width: 820px;
  margin-top: var(--space-lg);
  color: var(--ink-strong);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
}
.article-deck {
  margin-top: var(--space-lg);
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.2rem);
}
.article-content { padding: var(--space-3xl) 0 var(--space-4xl); }
.article-cover {
  overflow: hidden;
  margin-bottom: var(--space-3xl);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.article-cover img { display: block; width: 100%; height: auto; }
.article-cover-poster {
  max-width: 720px;
  margin-inline: auto;
}
.article-inline-figure {
  margin: var(--space-3xl) 0;
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}
.article-inline-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 6px);
}
.article-inline-figure figcaption {
  padding: var(--space-sm) var(--space-xs) 0.15rem;
  color: #5d6b7a;
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
}
.article-record-figure { margin-top: var(--space-3xl); }
.article-lead {
  color: var(--ink-strong);
  font-size: 1.06rem;
  line-height: 2;
}
.article-fact {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
  margin: var(--space-3xl) 0;
  padding: var(--space-xl);
  border: 1px solid var(--brand-tint-border);
  border-radius: var(--radius-lg);
  background: var(--brand-tint-bg);
}
.article-fact-number {
  font-family: var(--font-mono);
  color: var(--brand-primary);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
}
.article-fact strong { color: var(--ink-strong); }
.article-fact p { margin-top: 0.25rem; color: var(--ink-soft); font-size: 0.87rem; }
.article-section {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-xl);
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--line);
}
.article-section-number {
  font-family: var(--font-mono);
  color: var(--brand-text);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.article-section h2 {
  margin-bottom: var(--space-lg);
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  line-height: 1.45;
}
.article-section p { color: var(--ink-soft); line-height: 1.95; }
.article-section p + p { margin-top: var(--space-md); }
.article-section-single {
  display: block;
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}
.article-section-single h2 {
  margin-top: var(--space-2xl);
}
.article-section-single .article-lead {
  margin-bottom: var(--space-md);
  color: var(--ink-strong);
}
.article-outlook blockquote {
  margin-bottom: var(--space-md);
  color: var(--brand-primary);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}
.article-company {
  margin-top: var(--space-lg);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid var(--line);
}
.article-company > span {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.article-company h2 { margin-top: 0.45rem; color: var(--ink-strong); font-size: 1.35rem; }
.article-company p { margin-top: var(--space-md); color: var(--ink-soft); }
.article-source { margin-top: var(--space-2xl); text-align: center; }
.article-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.article-feature-grid section {
  padding: var(--space-lg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.article-feature-grid section > span {
  font-family: var(--font-mono);
  color: var(--brand-text);
  font-size: 0.72rem;
}
.article-feature-grid h3 {
  margin-top: var(--space-sm);
  color: var(--ink-strong);
  font-size: 1rem;
}
.article-feature-grid small {
  display: block;
  margin-top: 0.2rem;
  color: var(--brand-text);
  font-size: 0.72rem;
}
.article-feature-grid p {
  margin-top: var(--space-md);
  font-size: 0.84rem;
  line-height: 1.75;
}
.article-scenario-list {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}
.article-scenario-list p {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--line);
}
.article-scenario-list strong { color: var(--ink-strong); }
.article-subheading {
  margin: var(--space-2xl) 0 var(--space-md);
  color: var(--ink-strong);
  font-size: 1.08rem;
}
.article-step-list { display: grid; gap: var(--space-sm); }
.article-step-list li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  border-left: 2px solid var(--brand-primary);
  background: var(--brand-tint-bg);
}
.article-step-list li > span {
  font-family: var(--font-mono);
  color: var(--brand-text);
  font-size: 0.76rem;
}
.article-step-list strong { color: var(--ink-strong); }
.article-step-list p { margin-top: 0.2rem; font-size: 0.86rem; }
.article-capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.article-capability-list li {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.article-capability-list strong { color: var(--ink-strong); font-size: 0.9rem; }
.article-capability-list span { color: var(--ink-soft); font-size: 0.82rem; line-height: 1.65; }

@media (max-width: 900px) {
  .news-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .news-card-grid { grid-template-columns: 1fr; }
  .news-card-body { padding: var(--space-lg); }
  .article-header { padding-top: var(--space-3xl); }
  .article-section { grid-template-columns: 1fr; gap: var(--space-sm); }
  .article-fact { grid-template-columns: 1fr; gap: var(--space-md); }
  .article-company { padding: var(--space-xl); }
  .article-capability-list { grid-template-columns: 1fr; }
  .article-scenario-list p { grid-template-columns: 1fr; gap: 0.25rem; }
}

/* ════════════════════════════════════════
 * 发展历程时间轴（about）
 * ════════════════════════════════════════ */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.55), rgba(59, 130, 246, 0.28) 60%, rgba(176, 193, 212, 0.12));
}
.timeline-item { position: relative; padding-bottom: var(--space-2xl); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.3rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: #0b1724;
  border: 2px solid var(--brand-primary);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}
.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--brand-text);
}
.timeline-item h3 { margin-top: 0.35rem; font-size: 1.3rem; font-weight: 700; color: var(--ink-strong); }
.timeline-item p { margin-top: 0.4rem; font-size: 0.9rem; color: var(--ink-soft); max-width: 48rem; }
.timeline-theme {
  font-weight: 600;
  color: var(--brand-text) !important;
}
.timeline-stage { margin-top: 0.75rem; }
.timeline-stage h4 {
  margin-top: 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-strong);
}
.timeline-stage h4 span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.45rem;
  height: 1.45rem;
  margin-right: 0.45rem;
  border-radius: 0.45rem;
  background: rgba(56, 189, 248, 0.14);
  color: var(--brand-text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.timeline-points { margin-top: 0.55rem; display: grid; gap: 0.35rem; max-width: 48rem; }
.timeline-points li { position: relative; padding-left: 1rem; font-size: 0.9rem; color: var(--ink-soft); }
.timeline-points li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 0.35rem; height: 0.35rem; background: var(--brand-primary); }
.timeline-result { display: inline-flex; margin-top: 0.85rem !important; padding: 0.35rem 0.75rem; border: 1px solid var(--line); border-radius: var(--radius-pill); color: var(--ink-strong) !important; background: rgba(56, 189, 248, 0.06); font-weight: 600; }

/* 桌面端：时间置于时间轴节点左侧 */
@media (min-width: 640px) {
  .timeline { padding-left: 13rem; }
  .timeline::before { left: 11.5rem; transform: translateX(-50%); }
  .timeline-item::before { left: -1.5rem; transform: translateX(-50%); }
  .timeline-year {
    position: absolute;
    top: 0;
    right: calc(100% + 2.5rem);
    width: auto;
    text-align: right;
    white-space: nowrap;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.06em;
  }
  .timeline-item h3 { margin-top: 0; }
}

/* 企业文化 / 价值观 */
.value-tile { display: flex; flex-direction: column; gap: 0.5rem; }
.value-tile .value-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--brand-text);
}
.value-tile h3 { font-size: 1.02rem; font-weight: 600; color: var(--ink-strong); }
.value-tile p { font-size: 0.88rem; color: var(--muted); }

/* ════════════════════════════════════════
 * 招聘（careers）
 * ════════════════════════════════════════ */
.job-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
}
.job-item-main h3 { font-size: 1rem; font-weight: 600; color: var(--ink-strong); }
.job-item-main p { margin-top: 0.3rem; font-size: 0.85rem; color: var(--muted); }
.job-item-meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.55rem; }
.job-item-meta span {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--muted);
}

/* ════════════════════════════════════════
 * 页脚
 * ════════════════════════════════════════ */
.site-footer {
  margin-top: var(--space-3xl);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(6, 13, 22, 0.4), rgba(5, 11, 19, 0.85));
  padding: var(--space-4xl) 0 var(--space-2xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.4fr));
  gap: var(--space-2xl);
}
.footer-brand p { margin-top: var(--space-md); font-size: 0.88rem; color: var(--muted); max-width: 20rem; }
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(140, 163, 180, 0.92);
  margin-bottom: var(--space-md);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col a, .footer-col li { font-size: 0.88rem; color: var(--ink-soft); transition: color 180ms ease; }
.footer-col a:hover { color: #ffffff; }
.footer-col .footer-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 0.15rem;
}
.footer-bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(176, 193, 212, 0.10);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.footer-bottom-links a { transition: color 180ms ease; }
.footer-bottom-links a:hover { color: var(--ink-strong); }

/* ════════════════════════════════════════
 * 滚动淡入
 * ════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms ease, transform 480ms ease;
}
.reveal.is-revealed { opacity: 1; transform: none; }

/* 3+X 行业解决方案：进入视口后由左至右依次显现 */
#solutions .solution-card.reveal {
  opacity: 0;
  transform: translate3d(-20px, 8px, 0);
  transition-property: opacity, transform;
  transition-duration: 620ms;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
#solutions .grid-3 .solution-card:nth-child(1) { transition-delay: 0ms; }
#solutions .grid-3 .solution-card:nth-child(2) { transition-delay: 170ms; }
#solutions .grid-3 .solution-card:nth-child(3) { transition-delay: 340ms; }
#solutions .solution-card.reveal.is-revealed {
  opacity: 1;
  transform: none;
}

/* 标杆案例：进入视口后由左至右依次显现 */
#cases .case-card.reveal {
  opacity: 0;
  transform: translate3d(-20px, 8px, 0);
  transition-property: opacity, transform;
  transition-duration: 620ms;
  transition-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
#cases .grid-3 .case-card:nth-child(1) { transition-delay: 0ms; }
#cases .grid-3 .case-card:nth-child(2) { transition-delay: 170ms; }
#cases .grid-3 .case-card:nth-child(3) { transition-delay: 340ms; }
#cases .case-card.reveal.is-revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  #solutions .solution-card.reveal,
  #cases .case-card.reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 分页面首屏卡头 Logo：按首页实际渲染比例缩放；首页 Logo 规则保持不变 */
.page-hero-wrap .hero-logo-watermark {
  top: -5.87%;
  bottom: auto;
  right: 1rem;
  width: auto;
  height: 111.73%;
  transform: none;
}

/* ════════════════════════════════════════
 * Responsive
 * ════════════════════════════════════════ */
@media (max-width: 1279px) {
  .nav-link { padding: 0 0.6rem; font-size: 0.86rem; }
}

@media (max-width: 1023px) {
  .site-header-nav, .site-header-cta { display: none; }
  .site-header .theme-toggle { margin-left: auto; }
  .nav-toggle { display: inline-flex; margin-left: 0; }
  .hero { grid-template-columns: 1fr; }
  .hero-logo-watermark {
    top: 72%;
    right: 50%;
    width: min(58vw, 24rem);
    transform: translate(50%, -50%);
    opacity: 0.08;
  }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .innov-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .partner-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-panel > [data-contact-form],
  .contact-info {
    grid-column: 1;
    grid-row: auto;
  }
  .cap-detail { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .container { padding-inline: var(--space-md); }
  .section { padding: var(--space-3xl) 0; }
  .section-head-row { align-items: flex-start; }
  .section-head-row .section-head { width: 100%; min-width: 0; }
  .section-head h2 { white-space: normal; }
  .home-page #capabilities .grid-4,
  .home-page #solutions .grid-3,
  .home-page #cases .grid-3 {
    grid-template-columns: 1fr;
  }
  .home-page #innovation .innov-strip,
  .home-page #ecosystem .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  #solutions .solution-card { min-height: 0; }
  #solutions .solution-card .solution-engine { min-height: 0; }
  #solutions .solution-card .solution-engine + p { min-height: 0; }
  .hero { padding: var(--space-xl); }
  .hero-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-stat-value { font-size: 1.3rem; }
  .poster-surface, .surface-panel { padding: var(--space-lg); }
  .contact-panel, .page-hero, .hero { padding: var(--space-xl) var(--space-lg); }
  .form-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .news-item .news-type-tag { justify-self: start; }
  .job-item { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 639px) {
  .flow-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.75rem; }
  .hero .eyebrow {
    position: relative;
    display: block;
    padding-left: 2rem;
    line-height: 1.65;
    letter-spacing: 0.2em;
  }
  .hero .eyebrow::before {
    position: absolute;
    top: 0.72em;
    left: 0;
  }
}

/* ════════════════════════════════════════════════════════
 * Light theme — shukeyun 门户同款浅色色板
 * 触发：<html data-theme="light">；默认（无属性）= dark
 * token 对齐 shukeyun-portal globals.css 的 [data-theme="light"]
 * poster-surface（hero / CTA 深蓝岛）两主题保持深色不变
 * ════════════════════════════════════════════════════════ */
[data-theme="light"] {
  color-scheme: light;

  /* Backgrounds */
  --bg-top: #f6fbff;
  --bg-bottom: #eef7f6;
  --page-fg: #0b1724;
  --page-glow-a: rgba(37, 99, 235, 0.06);
  --page-glow-b: rgba(8, 145, 178, 0.06);

  /* Surfaces */
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: rgba(255, 255, 255, 0.98);
  --surface-dark: linear-gradient(140deg, #0b1724, #102b45 58%, #123b42);

  /* Text */
  --ink: #0b1724;
  --ink-strong: #0b1724;
  --ink-soft: #44566a;
  --muted: #5b6e87;

  /* Borders */
  --line: rgba(12, 28, 44, 0.10);
  --line-strong: rgba(12, 28, 44, 0.18);

  /* Brand */
  --accent-deep: #0f2a52;
  --accent-warm: #b7791f;
  --brand-primary: #0f2a52;
  --brand-secondary: #0891b2;
  --brand-accent: #2563eb;
  --brand-tint-bg: rgba(37, 99, 235, 0.08);
  --brand-tint-border: rgba(37, 99, 235, 0.22);
  --brand-text: #0f2a52;

  /* Header */
  --header-bg: rgba(255, 255, 255, 0.88);
  --header-border: rgba(12, 28, 44, 0.10);
  --header-text: #0b1724;
  --header-muted: #44566a;
  --nav-hover-bg: rgba(15, 42, 82, 0.06);

  /* Shadow（shukeyun 同款浅阴影） */
  --shadow-sm: 0 8px 18px rgba(12, 28, 44, 0.06);
  --shadow-md: 0 12px 28px rgba(12, 28, 44, 0.07);
  --shadow-lg: 0 22px 44px rgba(12, 28, 44, 0.10);
  --shadow-xl: 0 30px 60px rgba(12, 28, 44, 0.14);
  --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.18);

  /* Input */
  --input-bg: #ffffff;
  --input-bg-focus: #fafcfd;
}

[data-theme="light"] body {
  background:
    radial-gradient(circle at 14% 16%, var(--page-glow-a), transparent 36%),
    radial-gradient(circle at 84% 8%, var(--page-glow-b), transparent 32%),
    linear-gradient(180deg, #f6fbff 0%, #ffffff 44%, #eef7f6 100%);
  background-color: var(--bg-top);
}
[data-theme="light"] body::before { background: rgba(37, 99, 235, 0.05); }
[data-theme="light"] body::after  { background: rgba(8, 145, 178, 0.05); }

[data-theme="light"] ::selection { background: rgba(37, 99, 235, 0.22); color: #0b1724; }

/* logo：浅色主题保留原始蓝色（用户审稿 2026-07-05） */
[data-theme="light"] .site-header-logo-mark {
  filter: none;
}

/* ── Header / 导航 ── */
[data-theme="light"] .nav-link:hover,
[data-theme="light"] .nav-link[aria-current="page"] {
  color: #0b1724;
  border-color: rgba(15, 42, 82, 0.18);
}
[data-theme="light"] .nav-toggle { background: rgba(12, 28, 44, 0.05); }
[data-theme="light"] .nav-toggle:hover { background: rgba(12, 28, 44, 0.09); }
[data-theme="light"] .theme-toggle { background: rgba(12, 28, 44, 0.04); }

/* 移动端抽屉 */
[data-theme="light"] .mobile-nav {
  background: rgba(255, 255, 255, 0.94);
}
[data-theme="light"] .mobile-nav a { border-bottom-color: rgba(12, 28, 44, 0.08); }
[data-theme="light"] .mobile-nav a:hover,
[data-theme="light"] .mobile-nav a[aria-current="page"] { color: #0b1724; }

/* ── 通用文字 / 链接 ── */
[data-theme="light"] .eyebrow { color: var(--muted); }
[data-theme="light"] .eyebrow::before { background: rgba(91, 110, 135, 0.5); }
[data-theme="light"] .poster-surface .eyebrow { color: rgba(233, 245, 255, 0.74); }
[data-theme="light"] .poster-surface .eyebrow::before { background: rgba(233, 245, 255, 0.4); }
[data-theme="light"] .section-head-row .section-link:hover { color: #0b1724; }
[data-theme="light"] .cap-card-link:hover { color: #0f2a52; }
[data-theme="light"] .kv-block h3 { color: var(--muted); }

/* ── Chips ── */
[data-theme="light"] .chip:hover { background: rgba(37, 99, 235, 0.14); border-color: rgba(37, 99, 235, 0.40); }
[data-theme="light"] .chip-neutral { background: rgba(12, 28, 44, 0.04); }
[data-theme="light"] .chip-warm {
  border-color: rgba(183, 121, 31, 0.32);
  background: rgba(183, 121, 31, 0.08);
  color: #b7791f;
}

/* ── Buttons ──
 * btn-primary 在 light/dark 两主题保持一致：sky 渐变 + 深字（shukeyun 口径，
 * 深 navy 按钮在深色 poster 内看不清，统一 sky-gradient 最干净）。
 * light token 把 --brand-primary 改成了 navy，故此处显式钉回 sky 渐变。 */
[data-theme="light"] .btn-primary {
  background: linear-gradient(180deg, #38bdf8, #0ea5e9);
  color: #052033;
}
[data-theme="light"] .btn-secondary {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(12, 28, 44, 0.22);
  color: #0b1724;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.65) inset,
    0 4px 14px rgba(12, 28, 44, 0.10);
}
[data-theme="light"] .btn-secondary:hover {
  background: #ffffff;
  border-color: rgba(15, 42, 82, 0.42);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 6px 18px rgba(12, 28, 44, 0.14);
}

/* ── 卡片 / 标签内的硬编码白膜 → 深墨tint ── */
[data-theme="light"] .cap-card-tags span { background: rgba(12, 28, 44, 0.03); }
[data-theme="light"] .case-card-meta span.tag-region { background: rgba(12, 28, 44, 0.04); }
[data-theme="light"] .partner-tile { background: rgba(12, 28, 44, 0.03); }
[data-theme="light"] .partner-tile:hover { background: rgba(37, 99, 235, 0.06); }
[data-theme="light"] .flow-step { background: rgba(12, 28, 44, 0.03); }

/* ── 方案卡 / tone 色带：亮色系 tone 文字在白底不可读 → 加深 ── */
[data-theme="light"] .solution-card { background: #ffffff; }
[data-theme="light"] .solution-card[data-tone="blue"],
[data-theme="light"] .tone-band[data-tone="blue"]  { --tone-text: #2563eb; }
[data-theme="light"] .solution-card[data-tone="cyan"],
[data-theme="light"] .tone-band[data-tone="cyan"]  { --tone-text: #0891b2; }
[data-theme="light"] .solution-card[data-tone="purple"] { --tone-text: #6366f1; }
[data-theme="light"] .solution-card[data-tone="amber"],
[data-theme="light"] .tone-band[data-tone="amber"] { --tone: #d99a2b; --tone-soft: rgba(183, 121, 31, 0.10); --tone-text: #b7791f; }

/* ── 荣誉滚动墙 ── */
[data-theme="light"] .honor-pill {
  box-shadow: var(--shadow-sm);
}
[data-theme="light"] .honor-pill .honor-level { border-color: rgba(183, 121, 31, 0.35); }

/* ── 架构分层图 ── */
[data-theme="light"] .arch-layer:nth-child(2) { background: rgba(37, 99, 235, 0.07); }
[data-theme="light"] .arch-layer:nth-child(3) { background: rgba(37, 99, 235, 0.05); }
[data-theme="light"] .arch-layer:nth-child(4) { background: rgba(37, 99, 235, 0.03); }

/* ── 筛选器 ── */
[data-theme="light"] .filter-pill { background: rgba(12, 28, 44, 0.04); }
[data-theme="light"] .filter-pill.is-active { border-color: rgba(37, 99, 235, 0.42); }

/* ── 时间轴 ── */
[data-theme="light"] .timeline::before {
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.45), rgba(15, 42, 82, 0.25) 60%, rgba(12, 28, 44, 0.10));
}
[data-theme="light"] .timeline-item::before {
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(15, 42, 82, 0.10);
}

/* ── 输入框（白底；含 poster 内表单，白底输入框在深色岛上同样成立）── */
[data-theme="light"] .input {
  border-color: rgba(12, 28, 44, 0.18);
  background: var(--input-bg);
  color: #0b1724;
}
[data-theme="light"] .input:focus {
  border-color: rgba(37, 99, 235, 0.4);
  background: var(--input-bg-focus);
}
[data-theme="light"] .input::placeholder { color: #6b7f96; }
[data-theme="light"] .select-wrap::after {
  border-right-color: #5b6e87;
  border-bottom-color: #5b6e87;
}

/* ── 页脚 ── */
[data-theme="light"] .site-footer {
  background: linear-gradient(180deg, rgba(246, 251, 255, 0.4), rgba(226, 238, 244, 0.9));
}
[data-theme="light"] .footer-col h3 { color: var(--muted); }
[data-theme="light"] .footer-col a:hover { color: #0b1724; }
[data-theme="light"] .footer-bottom { border-top-color: rgba(12, 28, 44, 0.08); }

/* ════════════════════════════════════════════════════════
 * Poster scope 再声明（在 light 覆盖之后声明 → 同特异度后者胜）
 * poster 深色岛两主题一致，防止 light 的白底组件规则渗入
 * ════════════════════════════════════════════════════════ */
.poster-surface .btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-strong);
  color: #f5f9ff;
  box-shadow: none;
}
.poster-surface .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(147, 197, 253, 0.32);
  transform: none;
}
.poster-surface .chip:hover {
  background: rgba(56, 189, 248, 0.16);
  border-color: rgba(56, 189, 248, 0.42);
}
.poster-surface .chip-warm {
  border-color: rgba(245, 204, 125, 0.32);
  background: rgba(245, 204, 125, 0.10);
  color: #f5cc7d;
}
.poster-surface .chip-neutral {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
}

/* ════════════════════════════════════════
 * Light 主题下 poster 深色岛整体减淡:
 * 仍保持 navy 白字,但明度上调一档(用户审稿 2026-07-05)
 * ════════════════════════════════════════ */
[data-theme="light"] .poster-surface {
  background: linear-gradient(140deg, #1d3a5f, #2a547f 58%, #264a71);
  border-color: rgba(148, 190, 232, 0.28);
}
[data-theme="light"] .hero-glow {
  background:
    radial-gradient(circle at 16% 18%, rgba(125, 211, 252, 0.24), transparent 38%),
    radial-gradient(circle at 78% 14%, rgba(96, 165, 250, 0.18), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(245, 204, 125, 0.12), transparent 36%);
}

.chip-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--ink-soft);
  margin: 0 0.2rem;
}

/* 带图片的荣誉资质卡片 */
#honors .marquee-track {
  align-items: stretch;
}

#honors .honor-pill.honor-pill-with-image {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;

  width: 272px;
  min-width: 272px;
  padding: 16px;

  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  white-space: normal;
}

#honors .honor-pill-with-image .honor-image {
  display: block;
  width: 240px;
  height: 160px;
  max-width: none;
  flex: none;

  object-fit: contain;
  border-radius: 8px;
  background: #fff;
}

#honors .honor-pill-with-image .honor-name {
  display: block;
  width: 100%;

  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  color: var(--ink);
  white-space: normal;
}

#honors .honor-pill-with-image .honor-level {
  margin-top: auto;
}

/* 资质证书：3D 圆柱轮播 */
#honors .cylinder-carousel {
  height: 390px;
  margin-top: 0.25rem;
  overflow: hidden;
  perspective: 1100px;
  perspective-origin: 50% 42%;
  cursor: default;
  touch-action: pan-y;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%);
}

#honors .cylinder-carousel:focus-visible {
  outline: 2px solid var(--brand-text);
  outline-offset: 4px;
}

#honors .cylinder-carousel .marquee-track {
  position: relative;
  display: block;
  width: 100%;
  height: 310px;
  animation: none;
  transform-style: preserve-3d;
}

#honors .cylinder-carousel .honor-pill-with-image {
  position: absolute;
  top: 12px;
  left: 50%;
  width: 300px;
  min-width: 300px;
  height: 278px;
  margin: 0;
  padding: 14px;
  transform:
    translate3d(-50%, 0, 0)
    translate3d(var(--cylinder-x), 0, var(--cylinder-z))
    rotateY(var(--cylinder-angle))
    scale(var(--cylinder-scale));
  opacity: var(--cylinder-opacity);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
  transition: transform 720ms cubic-bezier(.22, .72, .16, 1), opacity 480ms ease, border-color 300ms ease, box-shadow 300ms ease;
  will-change: transform, opacity;
  pointer-events: auto;
  cursor: pointer;
  user-select: none;
}

#honors .cylinder-carousel .honor-pill-with-image.is-active {
  border-color: rgba(245, 204, 125, 0.42);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(245, 204, 125, 0.08) inset;
  pointer-events: auto;
  cursor: default;
}

#honors .cylinder-carousel .honor-image {
  width: 270px;
  height: 185px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.14);
}

#honors .cylinder-carousel .honor-name-long {
  font-size: 0.75rem;
  line-height: 1.35;
}

#honors .cylinder-carousel .honor-name-long > span {
  display: block;
  white-space: nowrap;
}

#honors .cylinder-hover-zones {
  position: absolute;
  z-index: 26;
  inset: 0 0 auto;
  height: 300px;
  pointer-events: none;
}

#honors .cylinder-hover-zone {
  position: absolute;
  top: 12px;
  height: 278px;
  transform: translateX(-50%);
  pointer-events: auto;
  cursor: pointer;
}

#honors .cylinder-hover-near { width: var(--hover-zone-near-width, 220px); }
#honors .cylinder-hover-far { width: var(--hover-zone-far-width, 130px); }
#honors .cylinder-hover-left.cylinder-hover-near { left: calc(50% - var(--hover-zone-near, 250px)); }
#honors .cylinder-hover-left.cylinder-hover-far { left: calc(50% - var(--hover-zone-far, 420px)); }
#honors .cylinder-hover-right.cylinder-hover-near { left: calc(50% + var(--hover-zone-near, 250px)); }
#honors .cylinder-hover-right.cylinder-hover-far { left: calc(50% + var(--hover-zone-far, 420px)); }

#honors .cylinder-carousel::before,
#honors .cylinder-carousel::after {
  content: "";
  position: absolute;
  z-index: 30;
  left: 50%;
  width: min(620px, 78vw);
  height: 38px;
  pointer-events: none;
  transform: translateX(-50%);
  border-radius: 50%;
}

#honors .cylinder-carousel::before {
  top: -24px;
  border-bottom: 1px solid rgba(245, 204, 125, 0.17);
  background: radial-gradient(ellipse at center, rgba(245, 204, 125, 0.07), transparent 68%);
}

#honors .cylinder-carousel::after {
  top: 276px;
  border-top: 1px solid rgba(245, 204, 125, 0.14);
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.28), transparent 68%);
  filter: blur(3px);
}

#honors .cylinder-ui {
  position: absolute;
  z-index: 40;
  left: 50%;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 16px;
  transform: translateX(-50%);
}

#honors .cylinder-arrow {
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease;
}

#honors .cylinder-arrow:hover {
  color: var(--accent-warm);
  border-color: rgba(245, 204, 125, 0.42);
  transform: scale(1.06);
}

#honors .cylinder-dots { display: flex; gap: 7px; }

#honors .cylinder-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--line-strong);
  cursor: pointer;
  transition: width 280ms ease, background-color 280ms ease;
}

#honors .cylinder-dot.is-active {
  width: 25px;
  background: var(--accent-warm);
}

#honors .cylinder-hint {
  position: absolute;
  z-index: 40;
  left: 50%;
  bottom: 5px;
  margin: 0;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

@media (max-width: 640px) {
  #honors .cylinder-carousel { height: 350px; }
  #honors .cylinder-carousel .marquee-track { height: 280px; }
  #honors .cylinder-carousel .honor-pill-with-image {
    width: 238px;
    min-width: 238px;
    height: 244px;
  }
  #honors .cylinder-carousel .honor-image {
    width: 208px;
    height: 152px;
  }
  #honors .cylinder-carousel .honor-name-long { font-size: 0.62rem; }
  #honors .cylinder-hover-zone { height: 244px; }
  #honors .cylinder-hover-zones { height: 268px; }
  #honors .cylinder-carousel::after { top: 242px; }
  #honors .cylinder-ui { bottom: 30px; }
  #honors .cylinder-hint { bottom: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  #honors .cylinder-carousel .marquee-track {
    position: relative;
    display: block;
    height: 310px;
  }
  #honors .cylinder-carousel .honor-pill-with-image {
    transition: none;
  }
}

/* ═══ 业务全景树状图 ═══ */
.business-tree {
  --tree-blue: #0878f9;
  --tree-cyan: #19c8e9;
  --tree-line: rgba(8, 120, 249, 0.42);
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  border: 1px solid rgba(8, 120, 249, 0.24);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 0%, rgba(8, 120, 249, 0.14), transparent 35%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(241, 247, 255, 0.91));
  box-shadow: 0 24px 70px rgba(30, 83, 151, 0.13);
}

[data-theme="dark"] .business-tree {
  background:
    radial-gradient(circle at 50% 0%, rgba(25, 200, 233, 0.12), transparent 35%),
    linear-gradient(145deg, rgba(10, 25, 48, 0.98), rgba(8, 19, 37, 0.96));
  border-color: rgba(79, 164, 255, 0.28);
}

.business-tree::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(8, 120, 249, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 120, 249, 0.13) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.business-tree > * { position: relative; z-index: 1; }

.business-tree__topline {
  height: 6px;
  margin: -0.25rem 0 clamp(1.3rem, 2vw, 2rem);
  border-radius: 999px;
  background: linear-gradient(90deg, #062f78 0 8%, var(--tree-blue) 8% 72%, var(--tree-cyan));
  box-shadow: 0 0 20px rgba(8, 120, 249, 0.28);
}

.business-tree__heading { text-align: center; }
.business-tree__heading .eyebrow { color: var(--tree-blue); }
.business-tree__heading h2 {
  margin-top: 0.35rem;
  color: var(--ink-strong);
  font-size: clamp(1.35rem, 2.7vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}
.business-tree__heading > p:last-child {
  margin-top: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.business-tree__root {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  width: min(100%, 440px);
  margin: 1.7rem auto 0;
  padding: 0.8rem 1.25rem;
  border: 1px solid rgba(25, 200, 233, 0.46);
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(105deg, #062d73, #086cf1 58%, #12bde4);
  box-shadow: 0 14px 34px rgba(8, 108, 241, 0.25), inset 0 1px rgba(255, 255, 255, 0.35);
}
.business-tree__root-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.18);
  font-size: 1.12rem;
  font-weight: 900;
}
.business-tree__root strong { display: block; font-size: 1.08rem; letter-spacing: 0.03em; }
.business-tree__root small { display: block; margin-top: 0.14rem; color: rgba(255, 255, 255, 0.72); font-size: 0.67rem; letter-spacing: 0.08em; }

.business-tree__stem {
  width: 2px;
  height: 26px;
  margin: 0 auto;
  background: linear-gradient(var(--tree-cyan), var(--tree-blue));
  box-shadow: 0 0 8px rgba(25, 200, 233, 0.65);
}
.business-tree__stem::after,
.business-tree__fork::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 8px;
  height: 8px;
  translate: -50% 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--tree-cyan);
  box-shadow: 0 0 0 3px rgba(25, 200, 233, 0.2);
}

.business-tree__foundation {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  width: min(100%, 900px);
  margin: 0 auto;
  padding: 0.75rem;
  border: 1px solid rgba(8, 120, 249, 0.3);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 24px rgba(28, 92, 168, 0.09);
}
[data-theme="dark"] .business-tree__foundation { background: rgba(10, 34, 65, 0.78); }
.business-tree__foundation span {
  padding: 0.46rem 0.72rem;
  border: 1px solid rgba(8, 120, 249, 0.2);
  border-radius: 8px;
  color: var(--ink-strong);
  background: rgba(8, 120, 249, 0.055);
  font-size: 0.76rem;
  font-weight: 650;
}
.business-tree__foundation .business-tree__foundation-title {
  border-color: transparent;
  color: #fff;
  background: var(--tree-blue);
  letter-spacing: 0.04em;
}

.business-tree__fork {
  width: 66.66%;
  height: 42px;
  margin: 0 auto;
  border-bottom: 2px solid var(--tree-line);
  border-left: 2px solid var(--tree-line);
  border-right: 2px solid var(--tree-line);
}
.business-tree__fork::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  translate: -50% 0;
  background: var(--tree-line);
}

.business-tree__branches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.7rem, 1.5vw, 1.1rem);
}

.business-branch {
  position: relative;
  min-width: 0;
  padding: 1rem;
  border: 1px solid rgba(8, 120, 249, 0.25);
  border-radius: 18px 4px 18px 4px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 28px rgba(27, 84, 154, 0.09);
}
[data-theme="dark"] .business-branch { background: rgba(9, 28, 53, 0.83); }
.business-branch::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -5px;
  width: 9px;
  height: 9px;
  translate: -50% 0;
  border: 2px solid var(--tree-blue);
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(8, 120, 249, 0.12);
}
.business-branch__head { display: flex; align-items: center; gap: 0.72rem; }
.business-branch__index {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 45px;
  height: 45px;
  clip-path: polygon(25% 4%, 75% 4%, 100% 50%, 75% 96%, 25% 96%, 0 50%);
  color: #fff;
  background: linear-gradient(135deg, #0cd3eb, #086cf1 55%, #092e76);
  font-size: 0.88rem;
  font-weight: 850;
  filter: drop-shadow(0 5px 7px rgba(8, 108, 241, 0.28));
}
.business-branch__head p { color: var(--tree-blue); font-size: 0.61rem; font-weight: 750; letter-spacing: 0.11em; }
.business-branch__head h3 { margin-top: 0.1rem; color: var(--ink-strong); font-size: 1.16rem; font-weight: 800; }
.business-branch__slogan {
  min-height: 2.3em;
  margin: 0.8rem 0;
  color: var(--tree-blue);
  font-size: 0.76rem;
  font-weight: 700;
}
.business-branch__audience {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
  padding: 0.62rem;
  border-radius: 10px;
  background: rgba(8, 120, 249, 0.06);
}
.business-branch__audience strong { width: 100%; margin-bottom: 0.1rem; color: var(--ink-strong); font-size: 0.71rem; }
.business-branch__audience span { color: var(--ink-soft); font-size: 0.68rem; }
.business-branch__audience span:not(:last-child)::after { content: " ·"; color: var(--tree-cyan); }
.business-branch__leaves {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
  margin-top: 0.72rem;
}
.business-branch__leaves span {
  position: relative;
  padding: 0.53rem 0.5rem 0.53rem 1.15rem;
  border: 1px solid rgba(8, 120, 249, 0.14);
  border-radius: 7px;
  color: var(--ink-strong);
  background: rgba(8, 120, 249, 0.035);
  font-size: 0.7rem;
  font-weight: 650;
}
.business-branch__leaves span::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 50%;
  width: 5px;
  height: 5px;
  translate: 0 -50%;
  border-radius: 50%;
  background: var(--tree-cyan);
  box-shadow: 0 0 0 3px rgba(25, 200, 233, 0.12);
}
.business-branch__value {
  margin-top: 0.72rem;
  padding-top: 0.68rem;
  border-top: 1px solid rgba(8, 120, 249, 0.16);
  color: var(--ink-soft);
  font-size: 0.7rem;
  line-height: 1.6;
}
.business-branch__value strong { display: block; color: var(--tree-blue); font-size: 0.7rem; }

@media (max-width: 900px) {
  .business-tree__fork { width: 66%; }
  .business-tree__branches { gap: 0.55rem; }
  .business-branch { padding: 0.78rem; }
  .business-branch__leaves { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .business-tree { padding: 1.15rem; border-radius: 20px; }
  .business-tree__root { justify-content: flex-start; }
  .business-tree__foundation { align-items: stretch; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .business-tree__foundation span { text-align: center; }
  .business-tree__foundation .business-tree__foundation-title { grid-column: 1 / -1; }
  .business-tree__fork { width: 2px; height: 28px; border: 0; background: var(--tree-line); }
  .business-tree__fork::before { display: none; }
  .business-tree__branches { grid-template-columns: 1fr; gap: 1rem; padding-left: 1.05rem; }
  .business-tree__branches::before { content: ""; position: absolute; left: 0; top: 0; bottom: 50%; width: 2px; background: var(--tree-line); }
  .business-branch::before { left: -1.05rem; top: 1.6rem; width: 1.05rem; height: 2px; translate: 0 0; border: 0; border-radius: 0; background: var(--tree-line); box-shadow: none; }
  .business-branch__slogan { min-height: 0; }
  .business-branch__leaves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .business-tree__root small { display: none; }
  .business-tree__root-mark { width: 42px; height: 42px; }
  .business-branch__leaves { grid-template-columns: 1fr; }
}

/* 业务全景页：三个一级部分纵向排列，完整标题位于卡片上方 */
#business-panorama .business-panorama-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4xl);
}

#business-panorama .business-panorama-item .section-head {
  margin-bottom: var(--space-sm);
}

#business-panorama .business-panorama-heading {
  align-items: flex-end;
  margin-bottom: var(--space-sm);
}

#business-panorama .business-panorama-heading .section-head {
  margin-bottom: 0;
}

#business-panorama .business-overview-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

#business-panorama .business-overview-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-lg);
}

#business-panorama .business-card-lead {
  max-width: 72rem;
  margin-bottom: var(--space-xl);
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.8;
}

#business-panorama .business-card-details {
  display: grid;
  margin-top: var(--space-sm);
}

#business-panorama .business-card-details > div {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: var(--space-lg);
  padding: 0.9rem 0;
}

#business-panorama .business-card-details--cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

#business-panorama .business-card-details--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#business-panorama .business-card-details--cards > div {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
  padding: var(--space-lg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

#business-panorama .business-card-details--cards > div::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: var(--panorama-card-tone);
  opacity: 0.9;
}

#business-panorama .business-panorama-item:nth-child(1) {
  --panorama-card-tone: #3b82f6;
}

#business-panorama .business-panorama-item:nth-child(2) {
  --panorama-card-tone: #22d3ee;
}

#business-panorama .business-panorama-item:nth-child(3) {
  --panorama-card-tone: #818cf8;
}

#business-panorama .business-card-details--cards > div:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), var(--shadow-lg);
}

#business-panorama .business-card-details dt {
  color: var(--brand-text);
  font-weight: 700;
}

#business-panorama .business-card-details--cards dt {
  position: relative;
  width: 100%;
  padding-bottom: 0.75rem;
  color: var(--panorama-card-tone, var(--brand-text));
  font-size: 1.4rem;
  font-weight: 750;
  line-height: 1.4;
  text-align: center;
}

#business-panorama .business-card-details--cards dt::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--panorama-card-tone) 22%,
    var(--panorama-card-tone) 78%,
    transparent 100%
  );
  opacity: 0.5;
}

#business-panorama .business-card-details dd {
  min-width: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

#business-panorama .business-card-details--cards dd {
  display: grid;
  flex: 1;
  align-content: center;
  gap: 0.35rem;
  width: 100%;
  color: var(--ink-soft);
  text-align: center;
}

#business-panorama .business-card-details em {
  margin: 0 0.35rem;
  color: var(--muted);
  font-style: normal;
}

#business-panorama .destination-entry-button {
  flex: 0 0 auto;
  align-self: flex-end;
  margin-left: auto;
  margin-bottom: 0.15rem;
}

[data-theme="dark"] #business-panorama .business-overview-card {
  background: var(--panel);
}

@media (max-width: 1024px) {
  #business-panorama .business-card-details--cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  #business-panorama .business-card-details--cards {
    grid-template-columns: minmax(0, 1fr);
  }

  #business-panorama .business-card-details > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }
}

#destination-aios { scroll-margin-top: calc(var(--header-h, 80px) + var(--space-lg)); }

.business-panorama-item {
  scroll-margin-top: calc(var(--header-h, 80px) + var(--space-lg));
}

#destination-aios .detail-back-row {
  display: flex;
  justify-content: flex-start;
  margin-bottom: var(--space-lg);
}

/* ═══ 目的地 AIOS · 智慧文旅业务架构（按参考图重构） ═══ */
.container-wide { max-width: 1520px; }

.destination-arch {
  --arch-blue: #066cf5;
  --arch-deep: #06317f;
  --arch-cyan: #12cfee;
  --arch-line: rgba(6, 108, 245, 0.46);
  position: relative;
  overflow: hidden;
  padding: clamp(1rem, 2vw, 1.8rem);
  border: 1px solid rgba(6, 108, 245, 0.2);
  border-radius: 22px;
  color: #10213a;
  background-color: #f9fbff;
  background-image: radial-gradient(rgba(6, 108, 245, 0.18) 0.8px, transparent 0.8px);
  background-size: 22px 22px;
  box-shadow: 0 24px 64px rgba(18, 70, 142, 0.13);
}

[data-theme="dark"] .destination-arch {
  color: #dbeafe;
  background-color: #08182d;
  background-image: radial-gradient(rgba(75, 154, 255, 0.2) 0.8px, transparent 0.8px);
}

.destination-arch__title { display: flex; align-items: center; gap: 0.8rem; padding: 0.15rem 0.45rem 1rem; }
.destination-arch__title h2 { color: #070b12; font-size: clamp(1.6rem, 3.2vw, 2.75rem); font-weight: 900; letter-spacing: -0.05em; }
[data-theme="dark"] .destination-arch__title h2 { color: #f8fbff; }
.destination-arch__title em { margin: 0 0.28em; font-style: normal; font-weight: 450; }
.destination-arch__orb {
  position: relative;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: linear-gradient(135deg, #040404, #343a43);
  box-shadow: -18px 7px 0 -2px rgba(38, 44, 53, 0.45);
}
.destination-arch__orb::after { content: ""; position: absolute; inset: 8px -12px 8px 24px; border-radius: 50%; background: rgba(0, 0, 0, 0.86); }

.destination-arch__rail {
  height: 34px;
  border: 1px solid rgba(6, 108, 245, 0.55);
  border-radius: 4px 15px 15px 4px;
  background: linear-gradient(90deg, #062963 0 2.2%, #fff 2.2% 82%, rgba(6, 108, 245, 0.09));
  box-shadow: inset 0 -1px rgba(6, 108, 245, 0.18);
}
[data-theme="dark"] .destination-arch__rail { background: linear-gradient(90deg, #0b4cae 0 2.2%, rgba(13, 34, 64, 0.94) 2.2% 82%, rgba(6, 108, 245, 0.18)); }

.destination-arch__labels {
  display: grid;
  grid-template-columns: 24% 52% 24%;
  align-items: end;
  gap: 0.8rem;
  margin: 0.7rem 0 1.8rem;
  text-align: center;
}
.destination-arch__labels span { position: relative; padding: 0.15rem 0 0.55rem; color: #051f5b; font-size: clamp(0.78rem, 1.25vw, 1.05rem); font-weight: 850; }
[data-theme="dark"] .destination-arch__labels span { color: #a8d1ff; }
.destination-arch__labels span::after { content: ""; position: absolute; left: 6%; right: 6%; bottom: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--arch-blue) 16% 84%, transparent); }
.destination-arch__labels span::before { content: ""; position: absolute; left: 50%; bottom: -5px; width: 9px; height: 9px; translate: -50% 0; border: 2px solid var(--arch-blue); border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px rgba(18, 207, 238, 0.16); }
[data-theme="dark"] .destination-arch__labels span::before { background: #08182d; }

.destination-arch__grid { display: grid; grid-template-columns: 24% 52% 24%; gap: 0.8rem; align-items: stretch; }
.destination-panel,
.arch-layer,
.destination-values > article,
.block-browser { border: 1px solid rgba(6, 108, 245, 0.4); background: rgba(255, 255, 255, 0.86); box-shadow: 0 8px 22px rgba(14, 80, 165, 0.07); }
.destination-panel { position: relative; }
[data-theme="dark"] .destination-panel,
[data-theme="dark"] .arch-layer,
[data-theme="dark"] .destination-values > article,
[data-theme="dark"] .block-browser { background: rgba(10, 31, 58, 0.88); }

.destination-panel--participants { padding: 1rem; border-radius: 16px 4px 16px 4px; }
.destination-panel--participants > h3 { color: var(--arch-blue); font-size: clamp(0.84rem, 1.3vw, 1.05rem); font-weight: 850; }
.participant-flow { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.15rem; margin-top: 1rem; padding: 0.35rem 0 1.1rem; }
.participant-flow::before { content: ""; position: absolute; left: 7%; right: 7%; top: 2.15rem; height: 2px; background: var(--arch-line); }
.participant-flow div { position: relative; z-index: 1; min-width: 0; text-align: center; }
.participant-flow i {
  display: grid; place-items: center; width: 34px; height: 34px; margin: 0 auto 0.55rem;
  border: 1px solid var(--arch-blue); border-radius: 10px 10px 50% 50%; color: var(--arch-blue);
  background: #f9fcff; font-size: 0.75rem; font-style: normal; font-weight: 850;
}
[data-theme="dark"] .participant-flow i { background: #0b2445; }
.participant-flow i::after { content: ""; position: absolute; top: 1.88rem; left: 50%; width: 7px; height: 7px; translate: -50% 0; border-radius: 50%; background: var(--arch-blue); }
.participant-flow strong,
.participant-flow span { display: block; color: #10213a; font-size: clamp(0.58rem, 0.75vw, 0.72rem); line-height: 1.35; }
[data-theme="dark"] .participant-flow strong,
[data-theme="dark"] .participant-flow span { color: #dbeafe; }
.participant-flow div:first-child strong { color: var(--arch-blue); }

.pain-title { display: flex; align-items: center; gap: 0.55rem; margin: 0.35rem 0 0.55rem; color: var(--arch-blue); }
.pain-title span { flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--arch-line)); }
.pain-title span:last-child { background: linear-gradient(90deg, var(--arch-line), transparent); }
.pain-title strong { flex: 0 0 auto; font-size: 0.9rem; }
.pain-list { display: grid; gap: 0.42rem; }
.pain-list li { display: flex; align-items: center; gap: 0.75rem; padding: 0.42rem 0.65rem; border-bottom: 1px solid rgba(6, 108, 245, 0.14); color: #192b45; }
[data-theme="dark"] .pain-list li { color: #e5f0ff; }
.pain-list i { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(6, 108, 245, 0.35); border-radius: 8px; color: var(--arch-blue); background: rgba(6, 108, 245, 0.05); font-size: 0.68rem; font-style: normal; }
.pain-list strong { font-size: 0.82rem; }

.destination-stack { position: relative; display: flex; flex-direction: column; }
.destination-stack::before { content: ""; position: absolute; z-index: 3; left: 50%; top: 11%; bottom: 8%; width: 2px; translate: -50% 0; background: linear-gradient(var(--arch-cyan), var(--arch-blue), var(--arch-cyan)); box-shadow: 0 0 8px rgba(18, 207, 238, 0.65); }
.arch-layer { position: relative; z-index: 2; overflow: hidden; border-radius: 16px 4px 16px 4px; }
.destination-stack .arch-layer { display: block; gap: 0; padding: 0; color: #10213a; background: rgba(255, 255, 255, 0.88); font-size: inherit; }
[data-theme="dark"] .destination-stack .arch-layer { color: #dbeafe; background: rgba(10, 31, 58, 0.9); }
.destination-stack .arch-layer--cloud { padding: 0.35rem 0.55rem 0; }
.arch-layer--cloud > h3 { margin-bottom: 0.25rem; color: var(--arch-blue); text-align: center; font-size: clamp(0.82rem, 1.3vw, 1.05rem); font-weight: 850; }
.arch-layer h3 em { margin: 0 0.3rem; font-style: normal; font-weight: 450; }
.agent-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.agent-grid article { min-width: 0; padding: 0.55rem 0.35rem; border-right: 1px solid rgba(6, 108, 245, 0.22); text-align: center; }
.agent-grid article:last-child { border-right: 0; }
.agent-grid i { display: grid; place-items: center; width: 30px; height: 30px; margin: 0 auto 0.32rem; border: 1px solid var(--arch-blue); border-radius: 9px; color: var(--arch-blue); background: rgba(6, 108, 245, 0.045); font-size: 0.68rem; font-style: normal; font-weight: 850; }
.agent-grid strong { display: block; color: var(--arch-blue); font-size: clamp(0.61rem, 0.8vw, 0.76rem); }
.agent-grid p { margin-top: 0.3rem; color: #263852; font-size: clamp(0.5rem, 0.67vw, 0.65rem); line-height: 1.45; }
[data-theme="dark"] .agent-grid p { color: #c6dcf5; }
.settlement-bar { display: flex; justify-content: center; gap: 1rem; margin-top: 0.2rem; padding: 0.42rem 0.65rem; color: #fff; background: linear-gradient(100deg, #08388c, #0574f2 55%, #052f83); font-size: clamp(0.53rem, 0.72vw, 0.68rem); }
.settlement-bar strong::before { content: "▤ "; }
.settlement-bar span { opacity: 0.92; }

.arch-link { position: relative; z-index: 4; width: 2px; height: 22px; margin: 0 auto; background: var(--arch-cyan); }
.arch-link::after { content: ""; position: absolute; left: 50%; bottom: -3px; width: 7px; height: 7px; translate: -50% 0; border: 2px solid #fff; border-radius: 50%; background: var(--arch-cyan); box-shadow: 0 0 0 3px rgba(18, 207, 238, 0.14); }

.destination-stack .arch-layer--ai { display: grid; grid-template-columns: 17% 27% 29% 27%; align-items: center; min-height: 145px; padding: 0.7rem; }
.ai-side-title { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding-right: 0.35rem; }
.ai-side-title strong,
.chain-side-title strong { color: var(--arch-blue); font-size: clamp(0.72rem, 1vw, 0.9rem); font-weight: 850; }
.ai-side-title span,
.chain-side-title span { margin-top: 0.5rem; color: #172c4d; font-size: clamp(0.55rem, 0.7vw, 0.68rem); font-weight: 700; line-height: 1.45; }
[data-theme="dark"] .ai-side-title span,
[data-theme="dark"] .chain-side-title span { color: #c9def6; }
.ai-capabilities { display: grid; gap: 0.42rem; }
.ai-capabilities span { padding: 0.48rem; border: 1px solid rgba(6, 108, 245, 0.26); border-radius: 7px; color: #193252; background: rgba(6, 108, 245, 0.035); text-align: center; font-size: clamp(0.52rem, 0.67vw, 0.65rem); font-weight: 650; line-height: 1.4; }
[data-theme="dark"] .ai-capabilities span { color: #dbeafe; }
.ai-core { position: relative; display: grid; place-items: center; }
.ai-core::before { content: ""; position: absolute; width: 100px; height: 100px; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); background: linear-gradient(135deg, rgba(18,207,238,.35), rgba(6,108,245,.78), rgba(6,49,127,.8)); filter: drop-shadow(0 8px 10px rgba(6,108,245,.24)); }
.ai-core span { position: relative; z-index: 1; display: grid; place-items: center; width: 70px; height: 70px; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); color: #fff; background: linear-gradient(135deg, #12cfee, #066cf5 55%, #052e78); font-size: 1.65rem; font-weight: 900; text-shadow: 0 2px 8px rgba(0,0,0,.3); }

.destination-stack .arch-layer--chain { display: grid; grid-template-columns: 18% 82%; align-items: center; min-height: 120px; padding: 0.55rem 0.7rem 2rem; }
.chain-side-title { padding-right: 0.55rem; }
.chain-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid rgba(6, 108, 245, 0.26); border-radius: 8px; }
.chain-grid span { padding: 0.65rem 0.3rem; border-right: 1px solid rgba(6, 108, 245, 0.22); color: #193252; text-align: center; font-size: clamp(0.5rem, 0.64vw, 0.63rem); font-weight: 650; line-height: 1.4; }
[data-theme="dark"] .chain-grid span { color: #dbeafe; }
.chain-grid span:last-child { border-right: 0; }
.chain-bar { position: absolute; left: 18%; right: 0.7rem; bottom: 0.35rem; padding: 0.32rem; border-radius: 6px; color: #fff; background: linear-gradient(90deg, #0752c6, #06317f); text-align: center; font-size: clamp(0.48rem, 0.62vw, 0.6rem); font-weight: 750; letter-spacing: 0.03em; }
.chain-bar em { margin: 0 0.65rem; font-style: normal; }

.destination-values { display: flex; flex-direction: column; gap: 0.55rem; }
.destination-values > article { display: flex; gap: 0.55rem; padding: 0.72rem 0.7rem; border-radius: 14px 4px 14px 4px; }
.destination-values > article > span { display: grid; flex: 0 0 auto; place-items: center; width: 44px; height: 44px; clip-path: polygon(50% 0, 95% 24%, 95% 76%, 50% 100%, 5% 76%, 5% 24%); color: #fff; background: linear-gradient(135deg, #12cfee, #066cf5 55%, #06317f); font-size: 0.85rem; font-weight: 850; filter: drop-shadow(0 4px 6px rgba(6,108,245,.25)); }
.destination-values h3 { color: var(--arch-blue); font-size: clamp(0.7rem, 1vw, 0.9rem); font-weight: 850; }
.destination-values p { margin-top: 0.25rem; color: #24364e; font-size: clamp(0.54rem, 0.7vw, 0.66rem); line-height: 1.45; }
[data-theme="dark"] .destination-values p { color: #c8dcf4; }
.block-browser { flex: 1; min-height: 128px; padding: 0.55rem; border-radius: 14px 4px 14px 4px; }
.block-browser__bar { display: flex; align-items: center; gap: 0.25rem; padding-bottom: 0.35rem; border-bottom: 1px solid rgba(6,108,245,.24); }
.block-browser__bar span { width: 5px; height: 5px; border-radius: 50%; background: var(--arch-blue); }
.block-browser__bar strong { margin-left: auto; color: var(--arch-blue); font-size: 0.66rem; }
.block-browser__search { height: 16px; margin: 0.42rem 0; border: 1px solid rgba(6,108,245,.25); border-radius: 4px; background: linear-gradient(90deg, #fff, rgba(6,108,245,.08)); }
[data-theme="dark"] .block-browser__search { background: rgba(6,108,245,.08); }
.block-browser__nodes { display: flex; align-items: center; justify-content: center; gap: 0; padding: 0.2rem 0; }
.block-browser__nodes i { width: 16px; height: 16px; clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%); background: linear-gradient(135deg, var(--arch-cyan), var(--arch-blue)); }
.block-browser__nodes b { width: 13%; height: 2px; background: var(--arch-line); }
.block-browser__shield { display: grid; place-items: center; width: 30px; height: 34px; margin: 0.25rem auto 0; clip-path: polygon(50% 0, 92% 14%, 84% 72%, 50% 100%, 16% 72%, 8% 14%); color: var(--arch-blue); background: rgba(6,108,245,.12); font-weight: 900; }

@media (max-width: 1100px) {
  .destination-arch__grid,
  .destination-arch__labels { grid-template-columns: 26% 48% 26%; gap: 0.55rem; }
  .destination-stack .arch-layer--ai { grid-template-columns: 18% 24% 34% 24%; }
  .ai-core::before { width: 86px; height: 86px; }
  .ai-core span { width: 60px; height: 60px; font-size: 1.35rem; }
}

@media (max-width: 820px) {
  .destination-arch__labels { display: none; }
  .destination-arch__grid { grid-template-columns: 1fr; }
  .destination-panel--participants::before,
  .destination-stack::before { display: none; }
  .destination-panel--participants,
  .destination-stack,
  .destination-values { margin-top: 0.65rem; }
  .destination-panel--participants::after { content: "服务对象与核心痛点"; display: block; position: absolute; left: 1rem; top: -0.78rem; padding: 0.2rem 0.55rem; border-radius: 999px; color: #fff; background: var(--arch-blue); font-size: 0.65rem; font-weight: 750; }
  .destination-stack::after { content: "解决方案架构与核心能力"; position: absolute; z-index: 6; left: 1rem; top: -0.78rem; padding: 0.2rem 0.55rem; border-radius: 999px; color: #fff; background: var(--arch-blue); font-size: 0.65rem; font-weight: 750; }
  .destination-values::before { content: "业务价值"; align-self: flex-start; margin: -1.4rem 0 0 1rem; padding: 0.2rem 0.55rem; border-radius: 999px; color: #fff; background: var(--arch-blue); font-size: 0.65rem; font-weight: 750; }
  .block-browser { min-height: 118px; }
}

@media (max-width: 560px) {
  .destination-arch { padding: 0.75rem; border-radius: 16px; }
  .destination-arch__title { gap: 0.55rem; }
  .destination-arch__orb { width: 38px; height: 38px; }
  .destination-arch__title h2 { font-size: 1.35rem; }
  .destination-arch__rail { height: 22px; }
  .agent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .agent-grid article:nth-child(2) { border-right: 0; }
  .agent-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(6,108,245,.22); }
  .settlement-bar { flex-direction: column; gap: 0.15rem; text-align: center; }
  .destination-stack .arch-layer--ai { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .ai-side-title { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; }
  .ai-core { grid-column: 1 / -1; grid-row: 2; min-height: 92px; }
  .ai-capabilities:first-of-type { grid-column: 1; grid-row: 3; }
  .ai-capabilities:last-of-type { grid-column: 2; grid-row: 3; }
  .destination-stack .arch-layer--chain { grid-template-columns: 1fr; padding-bottom: 2.2rem; }
  .chain-side-title { display: flex; align-items: center; justify-content: space-between; padding: 0 0 0.5rem; }
  .chain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chain-grid span:nth-child(2) { border-right: 0; }
  .chain-grid span:nth-child(-n+2) { border-bottom: 1px solid rgba(6,108,245,.22); }
  .chain-bar { left: 0.7rem; }
  .participant-flow { grid-template-columns: repeat(5, minmax(45px, 1fr)); overflow-x: auto; }
}

/* ═══ 卡片节点 + 树状连线：取消整块嵌入式大框 ═══ */
.destination-arch {
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
[data-theme="dark"] .destination-arch { background: transparent; }

.destination-arch__title {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 0.8rem 1.35rem;
  border: 1px solid rgba(18, 207, 238, 0.5);
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(105deg, #062d73, #086cf1 58%, #12bde4);
  box-shadow: 0 14px 34px rgba(8, 108, 241, 0.22);
}
.destination-arch__title h2,
[data-theme="dark"] .destination-arch__title h2 { color: #fff; }
.destination-arch__orb { width: 42px; height: 42px; background: rgba(255,255,255,.28); box-shadow: -13px 5px 0 -2px rgba(255,255,255,.2); }
.destination-arch__orb::after { background: rgba(255,255,255,.76); }

.destination-arch__rail {
  position: relative;
  width: 76%;
  height: 42px;
  margin: 0 auto;
  border: 0;
  border-right: 2px solid var(--arch-line);
  border-bottom: 2px solid var(--arch-line);
  border-left: 2px solid var(--arch-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
[data-theme="dark"] .destination-arch__rail { background: transparent; }
.destination-arch__rail::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; translate: -50% 0; background: var(--arch-line); }

.destination-arch__labels { align-items: stretch; margin: 0.8rem 0 1.65rem; }
.destination-arch__labels span {
  display: grid;
  place-items: center;
  min-height: 48px;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(6, 108, 245, 0.32);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 8px 20px rgba(14, 80, 165, 0.08);
}
.destination-arch__labels span::after { left: 50%; right: auto; bottom: -1.65rem; width: 2px; height: 1.65rem; background: var(--arch-line); }
.destination-arch__labels span::before { bottom: -5px; }

.destination-panel,
.arch-layer,
.destination-values > article,
.block-browser { box-shadow: 0 10px 24px rgba(14, 80, 165, 0.1); }

.destination-panel--participants,
[data-theme="dark"] .destination-panel--participants {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.destination-panel--participants > h3 {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(6, 108, 245, 0.32);
  border-radius: 12px;
  background: var(--surface);
  text-align: center;
  box-shadow: 0 8px 20px rgba(14, 80, 165, 0.08);
}
.participant-flow {
  margin-top: 1.3rem;
  padding: 0.85rem 0.45rem 1rem;
  border: 1px solid rgba(6, 108, 245, 0.26);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 8px 20px rgba(14, 80, 165, 0.08);
}
.participant-flow::after { content: ""; position: absolute; left: 50%; top: -1.3rem; width: 2px; height: 1.3rem; translate: -50% 0; background: var(--arch-line); }
.pain-title { margin: 1.3rem 0 0.7rem; }
.pain-title::before { content: ""; position: absolute; left: 50%; top: -1.3rem; width: 2px; height: 1.3rem; translate: -50% 0; background: var(--arch-line); }
.pain-title span { display: none; }
.pain-title strong { width: 100%; padding: 0.55rem; border: 1px solid rgba(6, 108, 245, 0.3); border-radius: 11px; background: var(--surface); text-align: center; box-shadow: 0 8px 20px rgba(14, 80, 165, 0.07); }
.pain-list { position: relative; gap: 0.55rem; padding-left: 1rem; }
.pain-list::before { content: ""; position: absolute; left: 0.15rem; top: 0; bottom: 50%; width: 2px; background: var(--arch-line); }
.pain-list li {
  position: relative;
  padding: 0.48rem 0.65rem;
  border: 1px solid rgba(6, 108, 245, 0.24);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: 0 6px 16px rgba(14, 80, 165, 0.06);
}
.pain-list li::before { content: ""; position: absolute; left: -0.85rem; top: 50%; width: 0.85rem; height: 2px; background: var(--arch-line); }

.destination-stack .arch-layer {
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(14, 80, 165, 0.11);
}
.agent-grid { gap: 0.42rem; padding: 0.3rem 0; }
.agent-grid article,
.agent-grid article:last-child {
  padding: 0.5rem 0.3rem;
  border: 1px solid rgba(6, 108, 245, 0.24);
  border-radius: 9px;
  background: rgba(6, 108, 245, 0.035);
}
.settlement-bar { margin: 0.35rem -0.55rem 0; }
.ai-capabilities span,
.chain-grid span { background: var(--surface); box-shadow: 0 5px 14px rgba(14, 80, 165, 0.06); }

.destination-values { position: relative; padding-left: 1rem; }
.destination-values::after { content: ""; position: absolute; left: 0.15rem; top: 0; bottom: 24%; width: 2px; background: var(--arch-line); }
.destination-values > article,
.block-browser { position: relative; z-index: 1; }
.destination-values > article::before,
.block-browser::before { content: ""; position: absolute; left: -0.85rem; top: 50%; width: 0.85rem; height: 2px; background: var(--arch-line); }

@media (max-width: 820px) {
  .destination-arch__rail { width: 2px; height: 26px; border: 0; background: var(--arch-line); }
  .destination-arch__rail::before { display: none; }
  .destination-panel--participants::after,
  .destination-stack::after,
  .destination-values::before { display: none; }
  .destination-arch__grid { gap: 1.6rem; }
  .destination-panel--participants,
  .destination-stack,
  .destination-values { margin-top: 0; }
}

@media (max-width: 560px) {
  .destination-arch { padding: 0; }
  .destination-arch__title { padding: 0.7rem 0.9rem; }
  .destination-values { padding-left: 0.8rem; }
}

/* 业务架构节点统一复用全站白色 Surface Card 语言 */
.destination-arch__labels span,
.destination-panel--participants > h3,
.participant-flow,
.pain-title strong,
.pain-list li,
.destination-stack .arch-layer,
.agent-grid article,
.ai-capabilities span,
.chain-grid span,
.destination-values > article,
.block-browser {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

[data-theme="dark"] .destination-arch__labels span,
[data-theme="dark"] .destination-panel--participants > h3,
[data-theme="dark"] .participant-flow,
[data-theme="dark"] .pain-title strong,
[data-theme="dark"] .pain-list li,
[data-theme="dark"] .destination-stack .arch-layer,
[data-theme="dark"] .agent-grid article,
[data-theme="dark"] .ai-capabilities span,
[data-theme="dark"] .chain-grid span,
[data-theme="dark"] .destination-values > article,
[data-theme="dark"] .block-browser {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-md);
}

.destination-arch__labels span,
.destination-panel--participants > h3,
.pain-title strong,
.pain-list li,
.agent-grid article,
.ai-capabilities span,
.chain-grid span { border-radius: var(--radius-md); }

.participant-flow,
.destination-stack .arch-layer,
.destination-values > article,
.block-browser { border-radius: var(--radius-lg); }

.destination-arch__labels span:hover,
.destination-panel--participants > h3:hover,
.participant-flow:hover,
.pain-title strong:hover,
.pain-list li:hover,
.destination-stack .arch-layer:hover,
.agent-grid article:hover,
.ai-capabilities span:hover,
.chain-grid span:hover,
.destination-values > article:hover,
.block-browser:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-lg);
}

/* 核心痛点：标题与四项内容合并为一张卡片，不使用标签和连线 */
.pain-block {
  margin-top: 1.3rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
}
.pain-title { margin: 0 0 0.45rem; color: var(--brand-text); }
.pain-title::before,
.pain-list::before,
.pain-list li::before { display: none; }
.pain-title strong {
  width: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
  font-size: 0.9rem;
}
.pain-title strong:hover { border-color: transparent; transform: none; box-shadow: none; }
.pain-list { gap: 0; padding: 0; }
.pain-list li {
  padding: 0.52rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.pain-list li:last-child { border-bottom: 0; }
.pain-list li:hover { border-color: var(--line); transform: none; box-shadow: none; }
.pain-list li strong { font-size: 0.8rem; font-weight: 650; }

/* 产业链参与者：标题与参与者合并为一张卡片，移除文字标签 */
.participant-block {
  padding: 0.85rem 1rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
}
.participant-block > h3 {
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--brand-text);
  background: transparent;
  box-shadow: none;
  text-align: left;
  font-size: 0.9rem;
}
.participant-flow {
  margin: 0.7rem 0 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.participant-flow::after { display: none; }
.participant-flow::before,
.participant-flow div::before { display: none; }
.participant-flow div { display: grid; place-items: center; min-height: 2.5rem; padding: 0.25rem 0.35rem; border-right: 1px solid var(--line); }
.participant-flow div:last-child { border-right: 0; }
.participant-flow strong,
.participant-flow span { font-size: 0.68rem; }
.participant-flow:hover { border-color: transparent; transform: none; box-shadow: none; }

/* 暂时移除业务架构的关系节点与连接线，仅保留卡片 */
.destination-arch__labels span::before,
.destination-arch__labels span::after,
.destination-stack::before,
.destination-values::after,
.destination-values > article::before,
.block-browser::before { display: none; }
.arch-link { display: none; }
.destination-stack { gap: 0.65rem; }
.destination-values { padding-left: 0; }

/* 中、右区域与左侧一致：去除标签后仅保留标题和正文 */
.agent-grid article { padding: 0.7rem; text-align: left; }
.agent-grid strong { text-align: left; }
.agent-grid p { text-align: left; }
.destination-values > article { display: block; padding: 0.85rem 1rem; }

/* AI 智擎中枢标题与慧旅云标题统一 */
.destination-stack .arch-layer--ai { display: block; min-height: 0; padding: 0.7rem; }
.arch-layer--ai > h3 {
  margin-bottom: 0.55rem;
  color: var(--arch-blue);
  text-align: center;
  font-size: clamp(0.82rem, 1.3vw, 1.05rem);
  font-weight: 850;
}
.ai-body {
  display: grid;
  grid-template-columns: 31% 38% 31%;
  align-items: center;
  gap: 0.55rem;
  min-height: 110px;
}

@media (max-width: 560px) {
  .ai-body { grid-template-columns: 1fr 1fr; }
}

/* AI 中心标识简化为纯英文字母 */
.ai-core::before { display: none; }
.ai-core span {
  width: auto;
  height: auto;
  clip-path: none;
  color: var(--arch-blue);
  background: transparent;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-shadow: none;
}

/* AI 纯文字霓虹光效 */
.ai-core span {
  color: #32c8ff;
  background: linear-gradient(135deg, #7eeaff 8%, #28c8ff 44%, #2f7cff 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 0 8px rgba(50, 200, 255, 0.48),
    0 0 18px rgba(47, 124, 255, 0.3),
    0 0 32px rgba(18, 207, 238, 0.18);
  filter: drop-shadow(0 4px 10px rgba(6, 108, 245, 0.18));
}

/* AI 中枢布局校正：能力卡不裁切，AI 始终居中并适当放大 */
.ai-body {
  grid-template-columns: minmax(0, 1fr) minmax(96px, auto) minmax(0, 1fr);
  gap: clamp(0.55rem, 1.2vw, 0.9rem);
  width: 100%;
}
.ai-capabilities { min-width: 0; }
.ai-capabilities span {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 3.25rem;
  padding: 0.55rem 0.4rem;
  overflow: visible;
  white-space: normal;
  word-break: keep-all;
}
.ai-core {
  min-width: 96px;
  justify-self: center;
  text-align: center;
}
.ai-core span { font-size: clamp(2.7rem, 4.6vw, 4rem); }

@media (max-width: 560px) {
  .ai-body { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .ai-core { min-width: 0; }
}

/* 智旅链底座标题与慧旅云、AI 智擎中枢统一 */
.destination-stack .arch-layer--chain {
  display: block;
  min-height: 0;
  padding: 0.7rem 0.7rem 2.2rem;
}
.arch-layer--chain > h3 {
  margin-bottom: 0.55rem;
  color: var(--arch-blue);
  text-align: center;
  font-size: clamp(0.82rem, 1.3vw, 1.05rem);
  font-weight: 850;
}
.arch-layer--chain .chain-bar { left: 0.7rem; }

/* 支付结算平台色带与业务全景大卡片统一 */
.settlement-bar {
  color: #ffffff;
  background: linear-gradient(100deg, #345e85 0%, #2e547d 52%, #325f90 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 8px 20px rgba(46, 84, 125, 0.16);
}
.settlement-bar strong,
.settlement-bar span { color: #ffffff; opacity: 1; }
.settlement-bar strong::before { display: none; content: none; }

/* 三个核心能力卡片标题使用完全一致的格式 */
.arch-layer--cloud > h3,
.arch-layer--ai > h3,
.arch-layer--chain > h3 {
  margin: 0 0 0.25rem;
  color: var(--arch-blue);
  text-align: center;
  font-size: clamp(0.82rem, 1.3vw, 1.05rem);
  font-weight: 850;
  line-height: 1.4;
}
.arch-layer--cloud > h3 em,
.arch-layer--ai > h3 em,
.arch-layer--chain > h3 em {
  margin: 0 0.3rem;
  font-style: normal;
  font-weight: 450;
}

/* 智旅链技术平台栏与支付结算平台色带统一 */
.chain-bar {
  padding: 0.42rem 0.65rem;
  border-radius: 0;
  color: #ffffff;
  background: linear-gradient(100deg, #345e85 0%, #2e547d 52%, #325f90 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 8px 20px rgba(46, 84, 125, 0.16);
  font-size: clamp(0.53rem, 0.72vw, 0.68rem);
  font-weight: 700;
}
.chain-bar em { color: #ffffff; opacity: 1; }

/* 技术平台栏直接复用支付结算平台色带的结构与布局 */
.destination-stack .arch-layer--chain { padding-bottom: 0.7rem; }
.arch-layer--chain .chain-bar {
  position: relative;
  left: auto;
  right: auto;
  bottom: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 0.35rem -0.7rem -0.7rem;
  width: auto;
  text-align: center;
}
.chain-bar strong,
.chain-bar span { color: #ffffff; opacity: 1; }
.chain-bar em { margin: 0 0.45rem; font-style: normal; }

/* 三项业务价值合并为一张卡片 */
.values-block {
  padding: 0.2rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
}
.values-block article {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.values-block article:last-child { border-bottom: 0; }
.value-index {
  padding-top: 0.08rem;
  color: var(--arch-blue);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.04em;
}
.values-block h3 { margin: 0; }
.values-block p { margin-top: 0.3rem; }

/* 左侧两张卡片标题与痛点内容统一居中 */
.participant-block > h3,
.pain-title strong {
  color: var(--arch-blue);
  text-align: center;
}
.pain-title { justify-content: center; text-align: center; }
.pain-list li { justify-content: center; text-align: center; }

/* 区块链浏览器仅保留标题文字 */
.block-browser {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  align-self: center;
  width: fit-content;
  max-width: 100%;
  min-height: 0;
  padding: 0.65rem 1rem;
}
.block-browser > strong {
  color: var(--arch-blue);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 850;
  line-height: 1.4;
}
.destination-values { gap: 1.3rem; }
.block-browser { align-self: stretch; width: 100%; }

/* 智旅链四项能力改为相互分离的小卡片 */
.chain-grid {
  gap: 0.42rem;
  border: 0;
  border-radius: 0;
}
.chain-grid span,
.chain-grid span:nth-child(2),
.chain-grid span:nth-child(-n+2),
.chain-grid span:last-child {
  padding: 0.65rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), 0 5px 14px rgba(14, 80, 165, 0.06);
}

/* 核心痛点 → 智旅链底座：低调的权限控制关系弧线 */
.destination-arch__grid { position: relative; }
.destination-panel,
.destination-stack,
.destination-values { position: relative; z-index: 2; }
.permission-connector {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.permission-connector path {
  fill: none;
  stroke: rgba(68, 101, 132, 0.34);
  stroke-width: 1.25;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}
.permission-connector text {
  fill: rgba(68, 101, 132, 0.62);
  font-size: 10px;
  font-weight: 550;
  letter-spacing: 0.03em;
}
[data-theme="dark"] .permission-connector path { stroke: rgba(148, 190, 232, 0.28); }
[data-theme="dark"] .permission-connector text { fill: rgba(183, 211, 238, 0.56); }

/* 固定画布在移动查看器中会整体缩小，增强曲线与文字后再随画布同步缩放 */
.diagram-frame-page .permission-connector path {
  stroke: rgba(68, 101, 132, 0.58);
  stroke-width: 2.2;
}
.diagram-frame-page .permission-connector text {
  fill: rgba(68, 101, 132, 0.88);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.01em;
}
[data-theme="dark"] .diagram-frame-page .permission-connector path {
  stroke: rgba(148, 190, 232, 0.54);
}
[data-theme="dark"] .diagram-frame-page .permission-connector text {
  fill: rgba(205, 225, 244, 0.86);
}

/* 慧旅云四个智能体卡片内容居中 */
.agent-grid article { text-align: center; }
.agent-grid strong,
.agent-grid p { text-align: center; }

/* 慧旅云四张智能体卡片使用完全一致的白色表面 */
[data-theme="light"] .agent-grid article,
[data-theme="light"] .agent-grid article:last-child {
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-md);
}

/* 所有合并卡片补齐与慧旅云一致的悬浮反馈 */
.participant-block,
.pain-block,
.values-block {
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.participant-block:hover,
.pain-block:hover,
.values-block:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-lg);
}

/* ═══ 城市运行 AIOS · 城市服务（与目的地 AIOS 同页、同级） ═══ */
.city-aios-section {
  padding-top: clamp(2.5rem, 6vw, 5rem);
}
.city-aios-section .reveal {
  opacity: 1;
  transform: none;
}

.city-arch__grid { align-items: stretch; }
.city-service-panel,
.city-values { align-self: stretch; }
.city-participant-flow { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.city-participant-flow div:first-child strong { color: var(--ink); }
.ecosystem-participant-flow { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.ecosystem-participant-flow div:first-child strong { color: var(--ink); }

.city-service-panel {
  display: flex;
  flex-direction: column;
}
.city-service-panel .participant-block { flex: 0 0 auto; }
.city-service-panel .pain-block {
  display: grid;
  flex: 1 1 auto;
  grid-template-rows: auto minmax(0, 1fr);
}
.city-service-panel .pain-list {
  align-self: center;
  width: 100%;
}

.city-stack { gap: 0; }
.city-layer {
  padding: 0.7rem;
  overflow: visible;
}
.city-layer > h3 {
  margin: 0 0 0.55rem;
  color: var(--arch-blue);
  text-align: center;
  font-size: clamp(0.82rem, 1.3vw, 1.05rem);
  font-weight: 850;
  line-height: 1.4;
}
.city-layer > h3 em {
  margin: 0 0.3rem;
  font-style: normal;
  font-weight: 450;
}

/* 城市三层架构：复用目的地卡片的标题与内边距节奏，不增加底部平台色带 */
.destination-stack .city-layer--applications,
.destination-stack .city-layer--brain,
.destination-stack .city-layer--sensing,
.destination-stack .ecosystem-layer--data,
.destination-stack .ecosystem-layer--access {
  padding: 0.35rem 0.55rem 0.55rem;
}
.city-layer--applications > h3,
.city-layer--brain > h3,
.city-layer--sensing > h3,
.ecosystem-layer--data > h3,
.ecosystem-layer--access > h3 { margin-bottom: 0.25rem; }

.city-application-grid,
.city-brain-grid,
.city-sensing-grid {
  display: grid;
  gap: 0.42rem;
}
.city-application-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.city-brain-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(72px, 0.8fr) repeat(2, minmax(0, 1fr));
  align-items: stretch;
}
.city-sensing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.city-layer article {
  min-width: 0;
  padding: 0.65rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: var(--surface);
  text-align: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.city-layer article:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-lg);
}
.city-layer article strong {
  display: block;
  color: var(--arch-blue);
  font-size: clamp(0.61rem, 0.8vw, 0.76rem);
  line-height: 1.35;
}
.city-layer article p {
  margin-top: 0.3rem;
  color: var(--ink-soft);
  font-size: clamp(0.52rem, 0.67vw, 0.65rem);
  line-height: 1.45;
}

.city-ai-core {
  display: grid;
  place-items: center;
  min-width: 96px;
  justify-self: center;
  color: #32c8ff;
  background: linear-gradient(135deg, #7eeaff 8%, #28c8ff 44%, #2f7cff 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(2.7rem, 4.6vw, 4rem);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-align: center;
  text-shadow:
    0 0 8px rgba(50, 200, 255, 0.48),
    0 0 18px rgba(47, 124, 255, 0.3),
    0 0 32px rgba(18, 207, 238, 0.18);
  filter: drop-shadow(0 4px 10px rgba(6, 108, 245, 0.18));
}

.city-flow-band {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 1rem;
  min-height: 2.65rem;
  padding: 0.35rem 0.9rem;
  color: var(--ink-soft);
  font-size: clamp(0.55rem, 0.72vw, 0.68rem);
  font-weight: 650;
  text-align: center;
}
.city-flow-band span {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 1.85rem;
}
.city-flow-band span:first-child {
  justify-content: center;
  padding-right: 3rem;
}
.city-flow-band span:last-child {
  justify-content: center;
  padding-left: 3rem;
}
.city-flow-band span::before {
  position: absolute;
  color: var(--arch-blue);
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 7px rgba(6, 108, 245, 0.28);
}
.city-flow-band--applications span:first-child::before { content: "↓"; right: 18%; }
.city-flow-band--applications span:last-child::before { content: "↑"; left: 18%; }
.city-flow-band--sensing span:first-child::before { content: "↑"; right: 18%; }
.city-flow-band--sensing span:last-child::before { content: "↓"; left: 18%; }
.ecosystem-flow-band--analysis span:first-child::before { content: "↑"; right: 18%; }
.ecosystem-flow-band--analysis span:last-child::before { content: "↑"; left: 18%; }
.ecosystem-flow-band--collection span:last-child::before { content: "↑"; }

.city-sensing-grid article { padding-block: 0.75rem; }
.ecosystem-layer--applications article {
  display: grid;
  place-items: center;
  min-height: 4.15rem;
}
.ecosystem-layer--data article {
  display: grid;
  place-items: center;
  min-height: 3.75rem;
}
.ecosystem-layer--brain .city-brain-grid article {
  display: grid;
  place-items: center;
}
.ecosystem-layer--brain .city-brain-grid article strong {
  width: 5em;
  max-width: 100%;
  margin-inline: auto;
  text-align: center;
}
.ecosystem-layer--applications article strong,
.ecosystem-layer--brain article strong,
.ecosystem-layer--data article strong {
  color: var(--ink);
}
.ecosystem-layer--access article { min-height: 4.8rem; }
.city-values .values-block {
  display: flex;
  flex: 1;
  flex-direction: column;
}
.city-values .values-block article {
  flex: 1 1 0;
  min-height: 0;
  align-items: stretch;
}
.city-values .values-block article > div {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: center;
  min-width: 0;
}
.city-values .values-block article h3 { align-self: start; }
.city-values .values-block article p { align-self: center; }

@media (max-width: 1100px) and (min-width: 821px) {
  .city-brain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .city-ai-core { grid-column: 1 / -1; min-height: 70px; }
}

@media (max-width: 820px) {
  .city-values .values-block { display: block; }
  .city-values .values-block article {
    min-height: auto;
    align-items: start;
  }
  .city-values .values-block article > div { display: block; }
}

@media (max-width: 640px) {
  .city-application-grid,
  .city-brain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .city-ai-core { grid-column: 1 / -1; min-height: 76px; }
  .city-flow-band,
  .city-sensing-grid { grid-template-columns: minmax(0, 1fr); }
  .city-flow-band {
    gap: 0.2rem;
    padding-inline: 0;
  }
  .city-flow-band span::before { display: none; }
  .city-flow-band span:first-child,
  .city-flow-band span:last-child {
    justify-content: center;
    padding-inline: 0;
  }
  .city-participant-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; }
  .city-participant-flow div:nth-child(2) { border-right: 0; }
  .city-participant-flow div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ecosystem-participant-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }
  .ecosystem-participant-flow div:nth-child(2),
  .ecosystem-participant-flow div:nth-child(4),
  .ecosystem-participant-flow div:last-child { border-right: 0; }
  .ecosystem-participant-flow div:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .ecosystem-participant-flow div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .city-ai-core { min-width: 0; }
}

/* 三大 AIOS 架构卡片正文统一增大，提升密集信息区的可读性 */
.participant-flow strong,
.participant-flow span {
  font-size: clamp(0.72rem, 0.82vw, 0.8rem);
}
.pain-list li strong {
  font-size: clamp(0.82rem, 0.9vw, 0.88rem);
}
.agent-grid strong,
.city-layer article strong {
  font-size: clamp(0.72rem, 0.88vw, 0.82rem);
}
.agent-grid p,
.city-layer article p {
  font-size: clamp(0.66rem, 0.78vw, 0.74rem);
}
.destination-values p {
  font-size: 0.82rem;
  line-height: 1.6;
}
.ai-capabilities span,
.chain-grid span {
  font-size: clamp(0.65rem, 0.76vw, 0.72rem);
}
.settlement-bar,
.chain-bar,
.city-flow-band {
  font-size: clamp(0.66rem, 0.78vw, 0.74rem);
}

/* 城市与生态关系说明文字沿用目的地弧线标注的低饱和蓝灰色 */
.city-flow-band span {
  color: rgba(68, 101, 132, 0.62);
}
[data-theme="dark"] .city-flow-band span {
  color: rgba(183, 211, 238, 0.56);
}

/* 三个 AIOS 部分的栏目标题卡与 AI 中枢大卡统一采用第一部分的浅蓝底色 */
.destination-stack .arch-layer--ai,
.destination-stack .city-layer--brain,
.destination-arch__labels span {
  background: rgba(37, 99, 235, 0.05);
}
.destination-arch__labels span {
  border-color: var(--brand-tint-border);
  color: var(--ink);
}
[data-theme="dark"] .destination-stack .arch-layer--ai,
[data-theme="dark"] .destination-stack .city-layer--brain,
[data-theme="dark"] .destination-arch__labels span {
  background: rgba(37, 99, 235, 0.16);
}
[data-theme="dark"] .destination-arch__labels span {
  color: #dbeafe;
}

/* 关系说明文字贴近箭头，间距参照第一部分弧线标注 */
.city-flow-band span::before {
  position: static;
  flex: 0 0 auto;
}
.city-flow-band span:first-child {
  flex-direction: row-reverse;
  gap: 0.4rem;
  padding-right: 0;
}
.city-flow-band span:last-child {
  gap: 0.4rem;
  padding-left: 0;
}

/* 三个 AIOS 部分：标题保持顶部，标题下方内容在卡片剩余高度内上下居中 */
.participant-block,
.pain-block {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}
.participant-block .participant-flow,
.pain-block .pain-list {
  align-self: center;
  width: 100%;
}
.agent-grid article,
.city-layer article:has(> p) {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}
.agent-grid article > p,
.city-layer article > p {
  align-self: center;
}
.values-block article > div {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: center;
  min-width: 0;
}
.values-block article h3 {
  align-self: start;
}
.values-block article p {
  align-self: center;
}

/* ═══ 垂直 AI 与场景能力服务 · 二级页 ═══ */
#vertical-ai-detail {
  scroll-margin-top: calc(var(--header-h, 80px) + var(--space-lg));
}

.vertical-ai-map {
  --vertical-blue: #1268e8;
  --vertical-cyan: #12cfee;
  position: relative;
  margin-top: var(--space-lg);
}

.vertical-ai-journey {
  display: grid;
  grid-template-columns: minmax(230px, 0.94fr) minmax(450px, 1.7fr) minmax(230px, 0.94fr);
  gap: clamp(0.85rem, 1.5vw, 1.4rem);
  margin-bottom: 2.2rem;
}

.vertical-ai-journey__step {
  padding: 0.85rem 0.75rem;
  border: 1px solid var(--brand-tint-border);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(37, 99, 235, 0.05);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
  text-align: center;
  font-size: clamp(0.78rem, 1.15vw, 0.98rem);
  font-weight: 850;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

[data-theme="dark"] .vertical-ai-journey__step {
  color: #dbeafe;
  background: rgba(37, 99, 235, 0.16);
}

.vertical-ai-columns {
  position: relative;
  display: grid;
  grid-template-columns: minmax(230px, 0.94fr) minmax(450px, 1.7fr) minmax(230px, 0.94fr);
  gap: clamp(0.85rem, 1.5vw, 1.4rem);
  align-items: stretch;
}

.vertical-ai-column {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.vertical-ai-connector {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.vertical-ai-connector path {
  fill: none;
  stroke: var(--vertical-blue);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.vertical-ai-connector marker path {
  fill: var(--vertical-blue);
  stroke: none;
}

.vertical-ai-connector .vertical-ai-flow-arrow {
  marker-end: url("#vertical-ai-arrowhead");
}

.vertical-ai-connector text {
  fill: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-anchor: middle;
}

.vertical-ai-connector .vertical-ai-flow-label {
  paint-order: stroke;
  stroke: var(--page-bg);
  stroke-width: 4px;
  stroke-linejoin: round;
}

[data-theme="dark"] .vertical-ai-connector text {
  fill: #bfd5ee;
}

.vertical-ai-column__head {
  min-height: 2.5rem;
  margin-bottom: 0.8rem;
  color: var(--vertical-blue);
  text-align: center;
  font-size: clamp(0.86rem, 1.2vw, 1.02rem);
  font-weight: 850;
}

.vertical-ai-column__head small {
  display: block;
  margin-top: 0.38rem;
  color: var(--ink);
  font-size: clamp(0.68rem, 0.78vw, 0.75rem);
  font-weight: 400;
  line-height: 1.4;
}

.vertical-ai-column__head .vertical-ai-service-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  width: 100%;
  margin-top: 0.55rem;
}

.vertical-ai-service-list span {
  display: grid;
  min-width: 0;
  min-height: 2.8rem;
  place-items: center;
  padding: 0.3rem 0.25rem;
  border-right: 1px solid var(--line);
  color: #10213a;
  text-align: center;
  font-weight: 500;
  line-height: 1.4;
}

.vertical-ai-service-list span:last-child {
  border-right: 0;
}

[data-theme="dark"] .vertical-ai-service-list span {
  color: #dbeafe;
}

.vertical-ai-column--supply .vertical-ai-column__head {
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.35;
}

.vertical-ai-card,
.vertical-ai-layer,
.vertical-ai-node,
.vertical-ai-value,
.vertical-ai-hub {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.vertical-ai-card:hover,
.vertical-ai-layer:hover,
.vertical-ai-node:hover,
.vertical-ai-value:hover,
.vertical-ai-hub:hover,
.vertical-ai-journey__step:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-lg);
}

.vertical-ai-supply {
  display: grid;
  gap: 0.7rem;
}

.vertical-ai-card {
  display: grid;
  min-height: 142px;
  align-content: center;
  padding: 0.9rem;
  border-radius: var(--radius-lg);
}

.vertical-ai-card h3,
.vertical-ai-layer h3,
.vertical-ai-node h3,
.vertical-ai-value h3 {
  color: var(--vertical-blue);
  text-align: center;
  font-size: 0.86rem;
  font-weight: 850;
  line-height: 1.35;
}

.vertical-ai-node h3 {
  color: var(--ink);
}

.vertical-ai-card h3 {
  font-size: 1rem;
}

.vertical-ai-card > p {
  margin-top: 0.3rem;
  color: var(--ink-soft);
  text-align: center;
  font-size: 0.75rem;
  font-style: italic;
  line-height: 1.45;
}

.vertical-ai-chip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
  margin-top: 0.82rem;
}

.vertical-ai-chip-grid span {
  display: grid;
  min-height: 2.8rem;
  place-items: center;
  padding: 0.3rem 0.35rem;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  color: #10213a;
  background: transparent;
  box-shadow: none;
  text-align: center;
  font-size: clamp(0.68rem, 0.78vw, 0.75rem);
  font-weight: 500;
  line-height: 1.4;
  white-space: normal;
  transition: none;
}

.vertical-ai-chip-grid span:last-child {
  border-right: 0;
}

[data-theme="dark"] .vertical-ai-chip-grid span {
  color: #dbeafe;
}

.vertical-ai-library {
  position: relative;
  display: grid;
  grid-template-columns: minmax(112px, 140px) minmax(180px, 1fr) minmax(112px, 140px);
  grid-template-areas:
    "register . monitor"
    "combine hub verify"
    "compose . iterate";
  column-gap: 0.85rem;
  row-gap: 0.65rem;
  justify-content: center;
  margin-top: 57px;
  min-height: 0;
}

.vertical-ai-node,
.vertical-ai-hub {
  position: relative;
  z-index: 1;
}

.vertical-ai-node {
  display: grid;
  align-self: center;
  width: 100%;
  min-height: 0;
  aspect-ratio: 1;
  place-items: center;
  padding: 0.7rem 0.55rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.vertical-ai-node--register { grid-area: register; }
.vertical-ai-node--combine { grid-area: combine; }
.vertical-ai-node--compose { grid-area: compose; }
.vertical-ai-node--monitor { grid-area: monitor; }
.vertical-ai-node--verify { grid-area: verify; }
.vertical-ai-node--iterate { grid-area: iterate; }

.vertical-ai-hub {
  grid-area: hub;
  display: grid;
  align-self: center;
  justify-self: center;
  width: min(100%, 205px);
  min-height: 0;
  aspect-ratio: 1;
  place-items: center;
  padding: 1.4rem;
  border-radius: 50%;
  border-color: var(--brand-tint-border);
  color: var(--ink);
  background: rgba(37, 99, 235, 0.05);
  text-align: center;
}

.vertical-ai-hub strong {
  display: block;
  font-size: clamp(1rem, 1.55vw, 1.3rem);
  font-weight: 900;
  line-height: 1.25;
}

.vertical-ai-values {
  display: grid;
  gap: 0.7rem;
}

.vertical-ai-values-card {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  height: 100%;
}

.vertical-ai-value {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: stretch;
  margin: 0;
  padding: 1rem;
  border-radius: var(--radius-lg);
}

.vertical-ai-value > span {
  align-self: start;
  padding-top: 0.08rem;
  color: var(--vertical-blue);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.04em;
}

.vertical-ai-value > div {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: center;
  min-width: 0;
}

.vertical-ai-value h3 {
  align-self: start;
  text-align: left;
}

.vertical-ai-value p {
  align-self: center;
  margin-top: 0.28rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.6;
}

[data-theme="dark"] .vertical-ai-journey__step,
[data-theme="dark"] .vertical-ai-card,
[data-theme="dark"] .vertical-ai-layer,
[data-theme="dark"] .vertical-ai-node,
[data-theme="dark"] .vertical-ai-value,
[data-theme="dark"] .vertical-ai-hub {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-md);
}

[data-theme="dark"] .vertical-ai-hub {
  border-color: var(--brand-tint-border);
  color: #dbeafe;
  background: rgba(37, 99, 235, 0.16);
}

@media (max-width: 1020px) {
  .vertical-ai-connector {
    display: none;
  }

  .vertical-ai-library {
    margin-top: 0;
  }

  .vertical-ai-journey {
    grid-template-columns: minmax(210px, 0.8fr) minmax(430px, 1.55fr);
  }

  .vertical-ai-journey__step:last-child {
    grid-column: 1 / -1;
  }

  .vertical-ai-columns {
    grid-template-columns: minmax(210px, 0.8fr) minmax(430px, 1.55fr);
  }

  .vertical-ai-column--values {
    display: block;
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .vertical-ai-values {
    height: auto;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: none;
  }

  .vertical-ai-values-card {
    grid-template-rows: repeat(3, auto);
  }
}

@media (max-width: 760px) {
  .vertical-ai-journey {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .vertical-ai-journey__step:last-child {
    grid-column: auto;
  }

  .vertical-ai-journey__step {
    padding: 0.75rem;
    text-align: center;
  }

  .vertical-ai-columns {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .vertical-ai-column--values {
    grid-column: auto;
  }

  .vertical-ai-library {
    grid-template-columns: repeat(2, minmax(0, 150px));
    grid-template-areas:
      "hub hub"
      "register monitor"
      "combine verify"
      "compose iterate";
    justify-content: center;
    column-gap: 0.75rem;
    row-gap: 0.65rem;
    min-height: 0;
  }

  .vertical-ai-hub {
    width: 170px;
    min-height: 0;
    border-radius: 50%;
  }

  .vertical-ai-values {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1021px) {
  .vertical-ai-journey,
  .vertical-ai-columns {
    grid-template-columns: minmax(220px, 280px) minmax(340px, 400px) minmax(220px, 280px);
    justify-content: space-between;
    gap: 2rem;
  }

  .vertical-ai-column--supply .vertical-ai-supply {
    gap: 0.4rem;
  }

  .vertical-ai-column__head {
    min-height: 75px;
  }

  .vertical-ai-column--library {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .vertical-ai-library {
    align-self: center;
    grid-template-columns: minmax(84px, 96px) minmax(120px, 1fr) minmax(84px, 96px);
    width: 100%;
    margin-top: 0;
    row-gap: 0.7rem;
  }

  .vertical-ai-hub {
    width: min(100%, 140px);
    padding: 1rem;
  }

  .vertical-ai-column--values {
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    padding-top: calc(75px + 0.8rem);
  }

  .vertical-ai-values {
    height: 100%;
    grid-template-rows: minmax(0, 1fr);
  }
}

/* 智能终端、物联感知与集成服务：现场连接架构 */
.terminal-architecture {
  --terminal-blue: #2563eb;
  position: relative;
  margin-top: 1.6rem;
}

.terminal-architecture .vertical-ai-journey,
.terminal-columns {
  grid-template-columns: minmax(210px, 0.82fr) minmax(560px, 2.25fr) minmax(220px, 0.88fr);
}

.terminal-columns {
  position: relative;
  display: grid;
  gap: clamp(1rem, 1.7vw, 1.7rem);
  align-items: stretch;
}

.terminal-connector {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.terminal-connector path {
  fill: none;
  stroke: var(--terminal-blue);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.terminal-connector .terminal-flow-arrow {
  marker-end: url("#terminal-arrowhead");
}

.terminal-connector marker path {
  fill: var(--terminal-blue);
  stroke: none;
  opacity: 1;
}

.terminal-side-stack,
.terminal-core,
.terminal-values {
  position: relative;
  z-index: 1;
}

.terminal-side-stack {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.85rem;
}

.terminal-panel,
.terminal-layer,
.terminal-hub,
.terminal-trust-strip,
.terminal-value {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.terminal-panel:hover,
.terminal-layer:hover,
.terminal-hub:hover,
.terminal-trust-strip:hover,
.terminal-value:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), var(--shadow-lg);
}

.terminal-panel {
  padding: 1.2rem 1rem;
  border-radius: var(--radius-lg);
}

.terminal-panel h2,
.terminal-value h2 {
  color: var(--terminal-blue);
  font-size: clamp(0.98rem, 1.25vw, 1.16rem);
  font-weight: 900;
}

.terminal-panel h2 {
  margin-bottom: 1rem;
  text-align: center;
}

.terminal-audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.terminal-audience-grid span {
  display: grid;
  min-height: 3.1rem;
  place-items: center;
  padding: 0.55rem 0.35rem;
  border: 1px solid var(--brand-tint-border);
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.05);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
}

.terminal-audience-grid span:last-child {
  grid-column: 1 / -1;
}

.terminal-pain ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.terminal-pain {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.terminal-pain ul {
  align-content: center;
}

.terminal-pain li {
  padding: 0.65rem 0.7rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 780;
  text-align: center;
}

.terminal-pain li:last-child {
  border-bottom: 0;
}

.terminal-core {
  display: grid;
  grid-template-columns: minmax(330px, 1.25fr) minmax(230px, 1.05fr);
  gap: clamp(1rem, 1.5vw, 1.4rem);
  align-items: stretch;
}

.terminal-layer-stack {
  display: grid;
  grid-template-rows: auto 1.45rem auto 1.45rem auto 1.45rem auto;
  align-content: space-between;
  min-width: 0;
}

.terminal-layer {
  position: relative;
  display: grid;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-lg);
}

.terminal-layer-title {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.terminal-layer-title > span {
  display: grid;
  flex: 0 0 2.15rem;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border-radius: 0.65rem;
  color: #fff;
  background: linear-gradient(135deg, #1558d6, #2f9cf4);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22);
  font-size: 0.75rem;
  font-weight: 900;
}

.terminal-layer-title h2 {
  color: var(--terminal-blue);
  font-size: clamp(0.94rem, 1.2vw, 1.12rem);
  font-weight: 900;
  line-height: 1.25;
}

.terminal-layer-title small {
  display: inline;
  margin-left: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.74em;
  font-weight: 720;
}

.terminal-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
}

.terminal-feature-grid span {
  display: grid;
  min-height: 2.6rem;
  place-items: center;
  padding: 0.42rem 0.35rem;
  border: 1px solid var(--brand-tint-border);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(37, 99, 235, 0.045);
  font-size: 0.7rem;
  font-weight: 740;
  line-height: 1.35;
  text-align: center;
}

.terminal-layer-flow {
  position: relative;
  display: flex;
  justify-content: space-around;
  align-items: center;
  color: var(--ink-soft);
  font-size: 0.66rem;
  font-weight: 720;
  letter-spacing: 0.01em;
}

.terminal-layer-flow span {
  position: relative;
  width: 50%;
  text-align: center;
}

.terminal-layer-flow span:first-child::before,
.terminal-layer-flow span:last-child::after {
  display: inline-block;
  color: var(--terminal-blue);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
  vertical-align: -0.06em;
}

.terminal-layer-flow span:first-child::before {
  content: "↑";
  margin-right: 0.3rem;
}

.terminal-layer-flow span:last-child::after {
  content: "↓";
  margin-left: 0.3rem;
}

.terminal-hub-wrap {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
}

.terminal-hub-core {
  display: grid;
  gap: 0.38rem;
  align-content: center;
}

.terminal-hub-heading {
  color: var(--terminal-blue);
  text-align: center;
}

.terminal-hub-heading strong,
.terminal-hub-heading span {
  display: block;
}

.terminal-hub-heading strong {
  font-size: 0.94rem;
  font-weight: 900;
  line-height: 1.3;
}

.terminal-hub-heading span {
  margin-top: 0.16rem;
  font-size: 0.68rem;
  font-weight: 760;
  line-height: 1.35;
}

.terminal-hub {
  display: grid;
  width: min(100%, 108px);
  aspect-ratio: 1;
  place-items: center;
  align-content: center;
  justify-self: center;
  padding: 1rem;
  border-color: var(--brand-tint-border);
  border-radius: 50%;
  color: var(--ink);
  background: rgba(37, 99, 235, 0.05);
  text-align: center;
}

.terminal-hub strong {
  color: var(--ink);
  font-size: clamp(1.75rem, 2.4vw, 2.2rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: none;
}

.terminal-trust-strip {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr) auto
    minmax(0, 1fr) auto
    minmax(0, 1fr) auto
    minmax(0, 1fr);
  width: calc(100% - 4.5rem);
  min-width: 210px;
  justify-self: center;
  gap: 0.22rem;
  padding: 0.7rem;
  border-radius: var(--radius-md);
}

.terminal-trust-card {
  display: grid;
  min-height: 3rem;
  place-items: center;
  padding: 0.42rem 0.18rem;
  border: 1px solid var(--brand-tint-border);
  border-radius: var(--radius-md);
  color: var(--terminal-blue);
  background: rgba(37, 99, 235, 0.045);
  box-shadow: none;
  font-size: 0.63rem;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
}

.terminal-trust-arrow {
  display: grid;
  min-width: 0.65rem;
  place-items: center;
  color: var(--terminal-blue);
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
}

.terminal-values {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.terminal-value {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: center;
  padding: 1rem 0.9rem;
  border-radius: var(--radius-lg);
}

.terminal-value > span {
  align-self: start;
  padding-top: 0.16rem;
  color: var(--terminal-blue);
  font-size: 0.76rem;
  font-weight: 900;
}

.terminal-value p {
  margin-top: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.58;
}

[data-theme="dark"] .terminal-audience-grid span,
[data-theme="dark"] .terminal-feature-grid span {
  background: rgba(37, 99, 235, 0.12);
}

[data-theme="dark"] .terminal-hub {
  border-color: var(--brand-tint-border);
  color: var(--ink);
  background: rgba(37, 99, 235, 0.16);
}

/* 新范式交易所应用 */
.exchange-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.7fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.surface-panel.exchange-dashboard-card {
  position: relative;
  display: flex;
  margin: 0;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

.exchange-dashboard-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.surface-panel.exchange-overview-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.4rem, 2.8vw, 2.35rem);
}

.exchange-overview-card .eyebrow,
.exchange-overview-card h2,
.exchange-capability-card h3,
.exchange-value-card h3 {
  color: var(--case-detail-blue);
}

.exchange-overview-card h2 {
  margin-top: 0.55rem;
  font-size: clamp(1.55rem, 2.5vw, 2rem);
}

.exchange-overview-card > p:not(.eyebrow) {
  margin-top: var(--space-lg);
  color: var(--ink-soft);
  line-height: 1.85;
}

.exchange-highlight {
  color: var(--case-detail-blue);
  font-weight: 760;
}

.exchange-section-head {
  max-width: none;
  margin-inline: 0;
  text-align: left;
}

.exchange-capability-grid,
.exchange-value-grid {
  display: grid;
  gap: var(--space-md);
}

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

.exchange-value-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.surface-panel.exchange-capability-card,
.surface-panel.exchange-value-card {
  position: relative;
  min-height: 100%;
  padding: clamp(1.15rem, 2vw, 1.65rem);
  text-align: center;
}

.exchange-capability-card > span,
.exchange-value-card > span {
  display: block;
  color: rgba(8, 120, 249, 0.34);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.exchange-capability-card h3,
.exchange-value-card h3 {
  margin-top: 0.72rem;
}

.exchange-capability-card p,
.exchange-value-card p {
  margin-top: 0.68rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.68;
}

@media (max-width: 1020px) {
  .exchange-overview-grid {
    grid-template-columns: 1fr;
  }

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

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

  .terminal-architecture .vertical-ai-journey,
  .terminal-columns {
    grid-template-columns: 1fr;
  }

  .terminal-connector {
    display: none;
  }

  .terminal-core {
    grid-template-columns: 1fr;
  }

  .terminal-side-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
  }

  .terminal-hub-wrap {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  .terminal-trust-strip {
    width: 100%;
    min-width: 0;
  }

  .terminal-values {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: none;
  }
}

@media (max-width: 680px) {
  .exchange-capability-grid,
  .exchange-value-grid {
    grid-template-columns: 1fr;
  }

  .terminal-side-stack,
  .terminal-values,
  .terminal-hub-wrap {
    grid-template-columns: 1fr;
  }

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

  .terminal-layer-title small {
    display: block;
    margin: 0.2rem 0 0;
  }
}

/* 关系图移动查看器：固定桌面画布，初始适配屏幕，支持局部缩放与拖动 */
.mobile-diagram-viewport {
  display: none;
}

@media (max-width: 1360px) {
  .diagram-source-mobile-hidden {
    display: none !important;
  }

  .mobile-diagram-viewport.is-ready {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62), var(--shadow-md);
    touch-action: none;
    cursor: grab;
  }

  .mobile-diagram-viewport.is-dragging {
    cursor: grabbing;
  }

  .mobile-diagram-frame {
    position: absolute;
    inset: 0 auto auto 0;
    width: 1180px;
    max-width: none;
    border: 0;
    transform-origin: 0 0;
    will-change: transform;
    pointer-events: none;
  }

  .mobile-diagram-gesture-layer {
    position: absolute;
    z-index: 2;
    inset: 0;
    touch-action: none;
    user-select: none;
  }
}

body.diagram-frame-page {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: transparent;
}

.diagram-frame-page .diagram-frame-root {
  width: 1180px;
  padding: 24px;
  background: var(--page-bg);
}

.diagram-frame-page .vertical-ai-map,
.diagram-frame-page .terminal-architecture {
  margin-top: 0;
}

.diagram-frame-page .reveal {
  opacity: 1;
  transform: none;
}