:root {
  --bg: #07111f;
  --bg-soft: #0d1a2c;
  --bg-deep: #040a14;
  --surface: rgba(10, 22, 40, 0.72);
  --surface-strong: rgba(12, 27, 47, 0.92);
  --surface-light: rgba(240, 246, 255, 0.92);
  --line: rgba(136, 177, 255, 0.16);
  --line-strong: rgba(136, 177, 255, 0.28);
  --ink: #eaf3ff;
  --ink-strong: #ffffff;
  --text: #d6e4f8;
  --sub: #8fa6c3;
  --sub-dark: #5b7091;
  --accent: #5ac8ff;
  --accent-strong: #2b83ff;
  --accent-soft: rgba(90, 200, 255, 0.12);
  --accent-violet: #8b7dff;
  --glow: 0 30px 80px rgba(26, 115, 255, 0.24);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-w: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 12%, rgba(43, 131, 255, 0.16), transparent 28%),
    radial-gradient(circle at 84% 18%, rgba(139, 125, 255, 0.14), transparent 26%),
    linear-gradient(180deg, #091220 0%, #07111f 44%, #08111c 100%);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 160, 230, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 230, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 78%);
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

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

.shell {
  position: relative;
  width: min(var(--max-w), calc(100% - 40px));
  margin: 0 auto;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 12, 24, 0.74);
  backdrop-filter: blur(22px) saturate(150%);
  border-bottom: 1px solid rgba(135, 168, 226, 0.1);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 136px;
  height: 46px;
  background: url("WechatIMG1708.jpg") center / contain no-repeat;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 18px rgba(62, 148, 255, 0.16));
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-strong);
}

.brand-sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--sub);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.nav a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--sub);
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
  border: 1px solid transparent;
}

.nav a:hover,
.nav a.active {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(136, 177, 255, 0.12);
}

.eyebrow,
.chip,
.feat-num,
.case-tag,
.ci-label,
.d-num,
.signal-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before,
.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(90, 200, 255, 0.8);
}

.chip {
  padding: 7px 12px;
  border: 1px solid rgba(90, 200, 255, 0.2);
  border-radius: 999px;
  background: rgba(90, 200, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #03111e;
  background: linear-gradient(135deg, #87d9ff 0%, #4fa8ff 48%, #6486ff 100%);
  box-shadow: 0 18px 40px rgba(74, 163, 255, 0.28);
}

.btn-secondary,
.btn-ghost {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(136, 177, 255, 0.16);
}

.btn-row,
.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.text-link,
.bc-link,
.link-c {
  color: var(--accent);
}

.text-link {
  font-size: 14px;
  font-weight: 700;
}

.hero,
.page-hero {
  position: relative;
  padding: 108px 0 64px;
}

.page-hero-compact {
  padding-bottom: 32px;
}

.hero-redesign::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 30%, rgba(86, 170, 255, 0.14), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 52%);
  pointer-events: none;
}

.hero-grid,
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 36px;
  align-items: center;
}

.page-hero-grid-compact {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: end;
}

.product-hero,
.cases-compact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  align-items: end;
}

.contact-hero,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 22px;
}

.contact-hero {
  grid-template-columns: 1fr;
}

.product-hero-side,
.cases-summary {
  display: grid;
  gap: 14px;
}

.contact-quick-card,
.contact-panel,
.contact-segment,
.contact-footer-card {
  border: 1px solid rgba(136, 177, 255, 0.14);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(12, 25, 44, 0.92), rgba(8, 18, 33, 0.88));
  box-shadow: var(--shadow);
}

.contact-quick-card,
.contact-panel,
.contact-footer-card {
  padding: 26px;
}

.contact-quick-card {
  display: grid;
  gap: 14px;
}

.contact-quick-item {
  padding: 14px 16px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.contact-quick-item span,
.contact-grid-item span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sub-dark);
}

.contact-quick-item strong,
.contact-grid-item strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 16px;
  line-height: 1.5;
}

.product-side-item,
.cases-summary-item {
  padding: 16px 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(12, 26, 46, 0.84), rgba(7, 17, 30, 0.8));
  border: 1px solid rgba(136, 177, 255, 0.14);
  box-shadow: var(--shadow);
}

.product-side-item span,
.cases-summary-item span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sub-dark);
}

.product-side-item strong,
.cases-summary-item strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 16px;
  line-height: 1.45;
}

h1 {
  margin-top: 18px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  color: var(--ink-strong);
}

.hero-lead,
.page-banner .lead,
.section-heading p,
.card p,
.feat-card > p,
.case-card .desc,
.why-card p,
.market-card p,
.live-item p,
.deploy-opt p,
.info-box p,
.contact-card .ci-val,
.cta-panel p,
.about-stage-card p,
.statement-slab p,
.architecture-row,
.matrix-card p,
.case-tile p,
.signal-panel p,
.loop-step p,
.about-panel p,
.advantage-card p {
  color: var(--sub);
}

.hero-lead {
  margin-top: 24px;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.82;
}

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

.hero-meta-item,
.float-card,
.ticker-band,
.signal-panel,
.matrix-card,
.loop-step,
.case-tile,
.cta-panel,
.about-panel,
.about-facts,
.advantage-card,
.about-stage-card,
.statement-slab,
.hero-panel,
.profile-card,
.fact-panel,
.overview-card,
.capability-card,
.chain-step,
.statement-card,
.strength-card,
.business-table,
.contact-card,
.info-box,
.card,
.feat-card,
.live-item,
.deploy-opt,
.case-card,
.mini-case,
.market-card,
.why-card,
.cta-card,
.creds-banner {
  background: linear-gradient(180deg, rgba(12, 26, 46, 0.88), rgba(8, 18, 32, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-meta-item {
  padding: 18px 18px 20px;
}

.hero-meta-item span,
.float-card span,
.ticker-item em,
.hero-panel-item span,
.ribbon-card span,
.fact-row span,
.chain-step span,
.stat-item span,
.mini-metric span,
.metric-box span,
.case-tile-head span,
.about-fact span {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--sub-dark);
}

.hero-meta-item strong,
.ticker-item strong,
.hero-panel-item strong,
.fact-row strong,
.case-tile-head strong,
.about-fact strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 16px;
  line-height: 1.45;
}

.hero-stage,
.about-stage {
  position: relative;
  min-height: 560px;
}

.stage-halo,
.stage-grid,
.stage-ring,
.stage-core,
.float-card {
  position: absolute;
}

.stage-halo {
  inset: 60px 40px 90px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(86, 170, 255, 0.28) 0%, rgba(86, 170, 255, 0.08) 38%, transparent 70%);
  filter: blur(8px);
}

.stage-grid {
  inset: 20px;
  border-radius: 32px;
  border: 1px solid rgba(136, 177, 255, 0.12);
  background-image:
    linear-gradient(rgba(122, 159, 219, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 159, 219, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  overflow: hidden;
}

.stage-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 12, 24, 0.1), rgba(6, 12, 24, 0.7));
}

.stage-ring {
  left: 50%;
  top: 50%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(136, 177, 255, 0.16);
}

.stage-ring-a {
  animation: spin 24s linear infinite;
}

.stage-ring-b {
  width: 82%;
  border-style: dashed;
  animation: spinReverse 32s linear infinite;
}

.stage-core {
  left: 50%;
  top: 50%;
  width: 240px;
  height: 240px;
  padding: 20px;
  border-radius: 34px;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, rgba(18, 43, 78, 0.92), rgba(7, 16, 28, 0.96));
  border: 1px solid rgba(113, 165, 255, 0.26);
  box-shadow: var(--glow);
  display: grid;
  place-items: center;
  text-align: center;
}

.stage-core::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stage-logo {
  width: 128px;
  border-radius: 18px;
  box-shadow: 0 22px 45px rgba(17, 53, 105, 0.28);
}

.stage-core-copy {
  position: relative;
  z-index: 1;
}

.stage-core-copy span {
  display: block;
  margin-top: 18px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sub);
}

.stage-core-copy strong {
  display: block;
  margin-top: 6px;
  color: var(--ink-strong);
  font-size: 24px;
}

.float-card {
  padding: 16px 18px;
  min-width: 180px;
  animation: floatY 5s ease-in-out infinite;
}

.float-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 15px;
}

.float-card-a {
  top: 54px;
  left: 10px;
}

.float-card-b {
  top: 96px;
  right: 8px;
  animation-delay: 0.6s;
}

.float-card-c {
  bottom: 68px;
  left: 24px;
  animation-delay: 1.2s;
}

.float-card-d {
  right: 22px;
  bottom: 38px;
  animation-delay: 1.8s;
}

.ticker-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px;
  margin-top: 28px;
}

.ticker-item {
  padding: 10px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.section {
  position: relative;
  padding: 72px 0;
}

.section-tight {
  padding-top: 28px;
}

.section-cases {
  padding-top: 36px;
  padding-bottom: 40px;
}

.section + .section {
  border-top: 1px solid rgba(136, 177, 255, 0.06);
}

.section-contrast {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 100%);
}

.section-dark {
  background:
    radial-gradient(circle at 14% 22%, rgba(46, 112, 255, 0.14), transparent 26%),
    linear-gradient(180deg, rgba(3, 8, 18, 0.74), rgba(5, 11, 20, 0.9));
}

.section-heading {
  margin-bottom: 34px;
}

.sec-head {
  margin-bottom: 34px;
}

.sec-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.section-heading h2,
.sec-head h2,
.cta-panel h2,
.statement-slab h2,
.page-banner h1 {
  margin-top: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
}

.section-heading p,
.sec-head p,
.cta-panel p,
.statement-slab p {
  margin-top: 12px;
  max-width: 760px;
  font-size: 15px;
}

.section-heading-light p {
  color: rgba(214, 228, 248, 0.72);
}

.signal-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 16px;
}

.page-banner.v::before,
.page-banner.g::before,
.page-banner.o::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 78% 18%, rgba(90, 200, 255, 0.14), transparent 24%);
}

.signal-panel {
  padding: 28px;
}

.signal-panel-main {
  background:
    linear-gradient(145deg, rgba(17, 44, 82, 0.92), rgba(8, 18, 33, 0.9)),
    linear-gradient(180deg, transparent, transparent);
}

.signal-panel h3,
.matrix-card h3,
.loop-step strong,
.case-tile-head strong,
.about-panel h3,
.advantage-card h3,
.about-stage-title,
.contact-card h3,
.info-box h4,
.feat-card h3,
.market-card h3,
.why-card strong,
.live-item h4 {
  margin-top: 14px;
  color: var(--ink-strong);
  font-size: 24px;
  line-height: 1.22;
}

.signal-panel p,
.matrix-card p,
.about-panel p,
.advantage-card p,
.case-tile p,
.loop-step p {
  margin-top: 12px;
  font-size: 15px;
}

.capability-matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 16px;
}

.product-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.deploy-card,
.system-board,
.case-row {
  border: 1px solid rgba(136, 177, 255, 0.14);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(12, 25, 44, 0.92), rgba(8, 18, 33, 0.88));
  box-shadow: var(--shadow);
}

.contact-grid-list,
.contact-segment-grid {
  display: grid;
  gap: 14px;
}

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

.contact-grid-item {
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.contact-panel-side {
  display: flex;
  flex-direction: column;
}

.contact-checklist {
  display: grid;
  gap: 12px;
}

.contact-check {
  position: relative;
  padding: 14px 14px 14px 32px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
  color: var(--sub);
  font-size: 14px;
}

.contact-check::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(90, 200, 255, 0.6);
}

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

.contact-segment {
  padding: 24px;
}

.contact-segment h3 {
  margin-top: 16px;
  color: var(--ink-strong);
  font-size: 22px;
  line-height: 1.2;
}

.contact-segment p {
  margin-top: 12px;
  color: var(--sub);
  font-size: 14px;
  line-height: 1.78;
}

.contact-footer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.product-card {
  padding: 28px;
}

.product-card-featured {
  background: linear-gradient(145deg, rgba(18, 44, 82, 0.94), rgba(8, 18, 33, 0.92));
}

.product-card h3,
.deploy-card h3,
.system-board-copy h2,
.case-row h2 {
  margin-top: 16px;
  color: var(--ink-strong);
  font-size: 28px;
  line-height: 1.14;
  letter-spacing: -0.04em;
}

.product-card p,
.deploy-card p,
.system-board-copy p {
  margin-top: 12px;
  color: var(--sub);
  font-size: 15px;
  line-height: 1.82;
}

.system-board {
  padding: 30px;
}

.system-board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.system-node {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.system-node strong {
  display: block;
  color: var(--ink-strong);
  font-size: 17px;
}

.system-node p {
  margin-top: 10px;
  color: var(--sub);
  font-size: 14px;
  line-height: 1.75;
}

.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.deploy-card {
  padding: 26px;
}

.case-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.case-row {
  display: grid;
  gap: 20px;
  padding: 28px;
}

.case-row-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 6px;
}

.case-row-title {
  min-width: 0;
}

.case-row-subtitle {
  margin-top: 10px;
  color: var(--sub);
  font-size: 15px;
  font-weight: 700;
}

.case-row-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.case-copy-panel {
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.case-copy-panel-accent {
  background: linear-gradient(180deg, rgba(90, 200, 255, 0.08), rgba(255, 255, 255, 0.025));
  border-color: rgba(136, 177, 255, 0.14);
}

.case-copy-panel span,
.case-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(136, 177, 255, 0.12);
  color: var(--sub);
  font-size: 12px;
  white-space: nowrap;
}

.case-copy-panel p {
  margin-top: 14px;
}

.case-row-metrics {
  display: grid;
  gap: 12px;
  align-content: start;
}

.case-row-metrics-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.matrix-card {
  padding: 26px;
  position: relative;
  overflow: hidden;
}

.matrix-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -30% 30%;
  height: 160px;
  background: radial-gradient(circle, rgba(78, 170, 255, 0.16), transparent 66%);
  pointer-events: none;
}

.matrix-card-tall {
  transform: translateY(18px);
}

.matrix-index {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(90, 200, 255, 0.1);
  border: 1px solid rgba(90, 200, 255, 0.16);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.matrix-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.matrix-list li,
.bc-check,
.collab-list li {
  position: relative;
  padding-left: 18px;
  color: var(--sub);
  font-size: 14px;
}

.matrix-list li::before,
.bc-check::before,
.collab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(90, 200, 255, 0.6);
}

.loop-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.loop-step {
  position: relative;
  padding: 26px 24px 28px;
}

.loop-step span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.loop-step strong {
  display: block;
  margin-top: 0;
}

.loop-step::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 20px;
  height: 1px;
  background: rgba(136, 177, 255, 0.28);
}

.loop-step:last-child::after {
  display: none;
}

.case-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cases-hero-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: linear-gradient(180deg, rgba(12, 26, 46, 0.84), rgba(7, 17, 30, 0.8));
  border: 1px solid rgba(136, 177, 255, 0.14);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.cases-hero-item {
  padding: 14px 16px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.cases-hero-item span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sub-dark);
}

.cases-hero-item strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 16px;
  line-height: 1.45;
}

.cases-stack {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.case-shell {
  position: relative;
  padding: 26px;
  border-radius: 30px;
  border: 1px solid rgba(136, 177, 255, 0.16);
  background: linear-gradient(180deg, rgba(12, 25, 44, 0.92), rgba(8, 18, 33, 0.88));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-row .case-tag {
  margin-bottom: 4px;
}

.case-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(90, 200, 255, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 55%);
  pointer-events: none;
}

.case-shell::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 29px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.case-shell-head,
.case-shell-grid {
  position: relative;
  z-index: 1;
}

.case-shell-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.case-shell-head h2 {
  margin-top: 10px;
  color: var(--ink-strong);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.case-kicker {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(136, 177, 255, 0.12);
  color: var(--sub);
  font-size: 12px;
  white-space: nowrap;
}

.case-shell-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 26px;
  align-items: stretch;
}

.case-story {
  display: grid;
  gap: 16px;
}

.case-lead {
  color: #cedcf1;
  font-size: 15px;
  line-height: 1.9;
  margin-top: 0;
}

.case-solution {
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(90, 200, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(136, 177, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.case-solution strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink-strong);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.case-solution p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.88;
}

.case-metrics {
  display: grid;
  gap: 12px;
}

.case-metric {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 20px 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(90, 200, 255, 0.04));
  border: 1px solid rgba(136, 177, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.case-metric strong {
  display: block;
  color: var(--ink-strong);
  font-size: clamp(30px, 3.2vw, 46px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.case-metric span {
  display: block;
  margin-top: 8px;
  color: var(--sub-dark);
  font-size: 13px;
  line-height: 1.5;
}

.svc-icon,
.why-icon,
.live-icon {
  font-size: 26px;
  line-height: 1;
}

.deploy-opt strong,
.why-card strong {
  display: block;
}

.bc-main {
  background: linear-gradient(145deg, rgba(17, 44, 82, 0.92), rgba(8, 18, 33, 0.9));
}

.bc-hi {
  background: linear-gradient(145deg, rgba(22, 56, 104, 0.92), rgba(10, 22, 40, 0.94));
}

.bc-svc {
  display: flex;
  flex-direction: column;
}

.bc-link {
  display: inline-flex;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 700;
}

.case-tile {
  padding: 26px;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.case-tile:hover,
.matrix-card:hover,
.signal-panel:hover,
.advantage-card:hover,
.about-panel:hover,
.hero-meta-item:hover,
.mini-case:hover,
.case-card:hover,
.feat-card:hover,
.why-card:hover,
.market-card:hover,
.live-item:hover,
.deploy-opt:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.26);
}

.case-score {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  margin-top: 20px;
  border-radius: 999px;
  background: rgba(90, 200, 255, 0.08);
  border: 1px solid rgba(90, 200, 255, 0.14);
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 700;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 36px;
  border-radius: 28px;
}

.cta-card {
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  right: -80px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90, 200, 255, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-card > *:not(.cta-glow) {
  position: relative;
  z-index: 1;
}

.page-hero-grid {
  align-items: stretch;
}

.about-stage {
  display: grid;
  place-items: center;
}

.about-stage-card {
  position: relative;
  width: min(100%, 420px);
  padding: 36px;
  overflow: hidden;
}

.about-stage-card::before {
  content: "";
  position: absolute;
  inset: -30% auto auto 50%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90, 200, 255, 0.24), transparent 70%);
  transform: translateX(-50%);
}

.about-stage-label {
  position: relative;
  z-index: 1;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.about-stage-number {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  font-size: clamp(84px, 10vw, 124px);
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--ink-strong);
}

.about-stage-title {
  position: relative;
  z-index: 1;
  margin-top: 8px;
}

.about-overview {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.about-panel {
  padding: 30px;
}

.about-panel p + p {
  margin-top: 12px;
}

.about-facts {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.about-fact {
  padding: 16px 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(136, 177, 255, 0.1);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.advantage-card {
  padding: 26px;
}

.architecture-board {
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(136, 177, 255, 0.18);
  background: linear-gradient(180deg, rgba(10, 22, 40, 0.9), rgba(5, 12, 22, 0.96));
  box-shadow: var(--shadow);
}

.architecture-row {
  display: grid;
  grid-template-columns: 0.95fr 1.3fr 1.15fr;
}

.architecture-row > div {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(136, 177, 255, 0.1);
}

.architecture-row > div + div {
  border-left: 1px solid rgba(136, 177, 255, 0.1);
}

.architecture-row-head {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
  font-weight: 700;
}

.architecture-row:last-child > div {
  border-bottom: none;
}

.statement-slab {
  padding: 38px 40px;
  background:
    linear-gradient(145deg, rgba(19, 48, 90, 0.92), rgba(7, 18, 32, 0.96));
}

.page-banner {
  position: relative;
  padding: 66px 0 48px;
}

.page-banner .lead {
  margin-top: 16px;
  max-width: 680px;
  font-size: 16px;
}

.g2,
.feat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.g3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.g4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card,
.feat-card,
.live-item,
.deploy-opt,
.market-card,
.why-card,
.info-box,
.contact-card,
.mini-case,
.bc {
  padding: 26px;
}

.card h3,
.feat-card h3,
.market-card h3,
.why-card strong,
.live-item h4,
.case-card h3,
.bc-main h3,
.creds-body h3 {
  font-size: 22px;
  line-height: 1.28;
}

.card p,
.feat-card > p,
.market-card p,
.why-card p,
.live-item p,
.deploy-opt p,
.info-box p,
.contact-card .ci-val,
.case-card .desc,
.mini-case p,
.bc-main p,
.bc-num-sub,
.creds-body p {
  margin-top: 10px;
  font-size: 14px;
}

.blist {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--sub);
  font-size: 14px;
}

.blist li + li {
  margin-top: 10px;
}

.blist strong {
  color: var(--ink-strong);
}

.case-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 28px;
  align-items: start;
}

.solution,
.collab-list {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(90, 200, 255, 0.08);
  border: 1px solid rgba(90, 200, 255, 0.16);
}

.collab-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution strong {
  display: block;
  margin-bottom: 6px;
}

.metrics-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric-box,
.mini-metric {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(90, 200, 255, 0.16);
  background: rgba(90, 200, 255, 0.08);
}

.metric-box strong,
.mini-metric strong,
.stat-item strong,
.bc-num,
.creds-num {
  display: block;
  color: var(--ink-strong);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.stat-item {
  padding: 18px 16px;
  border-right: 1px solid rgba(136, 177, 255, 0.1);
}

.stat-item:last-child {
  border-right: none;
}

.bc-checks {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.b7 {
  grid-column: span 7;
}

.b5 {
  grid-column: span 5;
}

.b4 {
  grid-column: span 4;
}

.contact-card h3 {
  margin-bottom: 12px;
}

.ci {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(136, 177, 255, 0.08);
}

.ci:last-of-type {
  border-bottom: none;
}

.ci-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(90, 200, 255, 0.08);
  border: 1px solid rgba(90, 200, 255, 0.12);
  flex-shrink: 0;
}

.creds-banner {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 36px 42px;
}

.creds-num {
  font-size: 82px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(136, 177, 255, 0.08);
  color: var(--sub);
  font-size: 13px;
}

.footer-brand {
  margin-bottom: 4px;
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 700;
}

.footer-right {
  text-align: right;
}

.footer-right > div + div {
  margin-top: 4px;
}

.reveal-up {
  animation: revealUp 560ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.reveal-delay-2 {
  animation-delay: 110ms;
}

.reveal-delay-3 {
  animation-delay: 220ms;
}

.reveal-delay-4 {
  animation-delay: 330ms;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes spinReverse {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .page-hero-grid,
  .product-hero,
  .cases-compact-hero,
  .contact-hero,
  .contact-layout,
  .about-overview,
  .signal-layout,
  .capability-matrix,
  .product-matrix,
  .advantage-grid,
  .case-showcase,
  .g4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .page-hero-grid,
  .product-hero,
  .cases-compact-hero,
  .contact-hero,
  .contact-layout,
  .about-overview {
    grid-template-columns: 1fr;
  }

  .hero-stage,
  .about-stage {
    min-height: 500px;
  }

  .capability-matrix,
  .case-showcase {
    grid-auto-rows: auto;
  }

  .matrix-card-tall {
    transform: none;
  }

  .loop-track,
  .g3,
  .company-ribbon,
  .ticker-band {
    grid-template-columns: 1fr;
  }

  .loop-step::after,
  .architecture-row > div + div {
    border-left: none;
  }

  .architecture-row,
  .case-row,
  .case-shell-grid,
  .case-card {
    grid-template-columns: 1fr;
  }

  .system-board-grid,
  .deploy-grid,
  .contact-grid-list,
  .contact-segment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-row-body,
  .case-row-metrics-strip {
    grid-template-columns: 1fr;
  }

  .metrics-col {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .metric-box {
    flex: 1 1 180px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(var(--max-w), calc(100% - 28px));
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 0 18px;
  }

  .brand {
    width: 100%;
  }

  .brand-mark {
    width: 112px;
    height: 38px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
  }

  .nav a {
    padding: 8px 12px;
  }

  .hero,
  .page-hero,
  .page-banner {
    padding-top: 72px;
  }

  h1 {
    font-size: 40px;
    line-height: 1.02;
  }

  .hero-meta,
  .signal-layout,
  .capability-matrix,
  .product-matrix,
  .loop-track,
  .case-showcase,
  .advantage-grid,
  .architecture-row,
  .product-hero,
  .cases-compact-hero,
  .contact-hero,
  .contact-layout,
  .system-board-grid,
  .deploy-grid,
  .contact-grid-list,
  .contact-segment-grid,
  .case-row,
  .case-shell-grid,
  .g2,
  .g3,
  .g4,
  .feat-row,
  .stat-strip,
  .ticker-band {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 420px;
  }

  .stage-core {
    width: 190px;
    height: 190px;
  }

  .stage-logo {
    width: 96px;
  }

  .float-card {
    min-width: 140px;
    padding: 12px 14px;
  }

  .float-card strong {
    font-size: 13px;
  }

  .float-card-a {
    top: 18px;
    left: 0;
  }

  .float-card-b {
    top: 18px;
    right: 0;
  }

  .float-card-c {
    bottom: 12px;
    left: 0;
  }

  .float-card-d {
    right: 0;
    bottom: 12px;
  }

  .hero-meta-item,
  .signal-panel,
  .matrix-card,
  .loop-step,
  .case-tile,
  .cta-panel,
  .case-shell,
  .about-panel,
  .about-facts,
  .advantage-card,
  .about-stage-card,
  .statement-slab,
  .contact-card,
  .info-box,
  .case-card,
  .creds-banner {
    padding: 22px;
  }

  .cta-panel,
  .btn-row,
  .hero-actions,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .case-row-top {
    flex-direction: column;
  }

  .case-shell-head {
    flex-direction: column;
  }

  .case-kicker {
    white-space: normal;
  }

  .case-metric {
    min-height: 0;
  }

  .btn {
    width: 100%;
  }

  .footer-right {
    text-align: left;
  }

  .architecture-row > div {
    border-left: none !important;
  }

  .architecture-row > div:not(:last-child) {
    border-bottom: 1px solid rgba(136, 177, 255, 0.1);
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(136, 177, 255, 0.1);
  }

  .stat-item:last-child {
    border-bottom: none;
  }
}