:root {
  --ink: #14212b;
  --muted: #5c6975;
  --soft: #f4f7f8;
  --paper: #ffffff;
  --line: #dce5e8;
  --brand: #a82828;
  --brand-dark: #761b21;
  --blue: #244f7a;
  --teal: #237477;
  --gold: #a77a2f;
  --shadow: 0 20px 55px rgba(22, 36, 45, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 229, 232, 0.8);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
  font-size: 18px;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: #32434d;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  align-items: center;
  gap: clamp(36px, 7vw, 92px);
  min-height: calc(100vh - 72px);
  padding: clamp(56px, 9vw, 110px) clamp(22px, 5vw, 72px) clamp(40px, 7vw, 86px);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(244, 247, 248, 0.92)),
    repeating-linear-gradient(90deg, rgba(36, 79, 122, 0.08) 0 1px, transparent 1px 82px),
    repeating-linear-gradient(0deg, rgba(35, 116, 119, 0.06) 0 1px, transparent 1px 82px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(112deg, transparent 0 34%, rgba(168, 40, 40, 0.08) 42%, rgba(35, 116, 119, 0.1) 48%, transparent 58%),
    repeating-linear-gradient(118deg, transparent 0 34px, rgba(36, 79, 122, 0.05) 34px 35px, transparent 35px 72px);
  opacity: 0.86;
  transform: translateX(-18%);
  animation: hero-scan 8.8s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  right: clamp(20px, 6vw, 96px);
  bottom: clamp(20px, 5vw, 72px);
  left: clamp(20px, 6vw, 96px);
  z-index: -1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 40, 40, 0.28), rgba(35, 116, 119, 0.34), transparent);
  transform-origin: left center;
  animation: rail-flow 4.8s ease-in-out infinite;
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(40px, 6vw, 74px);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero h1 span {
  display: block;
}

.hero-lede {
  max-width: 760px;
  margin: 28px 0 0;
  color: #374b57;
  font-size: clamp(18px, 2.2vw, 24px);
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-link,
.secondary-link {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.primary-link::after,
.secondary-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 0 32%, rgba(255, 255, 255, 0.38) 48%, transparent 64%);
  transform: translateX(-125%);
  pointer-events: none;
}

.primary-link {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 14px 28px rgba(168, 40, 40, 0.22);
}

.secondary-link {
  color: var(--blue);
  border: 1px solid rgba(36, 79, 122, 0.24);
  background: rgba(255, 255, 255, 0.72);
}

.primary-link:hover,
.secondary-link:hover,
.primary-link:focus-visible,
.secondary-link:focus-visible {
  transform: translateY(-2px);
}

.primary-link:hover::after,
.secondary-link:hover::after,
.primary-link:focus-visible::after,
.secondary-link:focus-visible::after {
  animation: card-sheen 1.1s ease;
}

.hero-visual {
  min-width: 0;
}

.hero-copy,
.summary-card,
.tech-copy,
.workflow-step,
.timeline-item,
.info-list,
.compliance-card {
  min-width: 0;
  max-width: 100%;
}

.visual-panel {
  position: relative;
  min-height: min(58vw, 560px);
  border: 1px solid rgba(36, 79, 122, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.95), rgba(244, 247, 248, 0.78) 45%, rgba(230, 238, 240, 0.9)),
    linear-gradient(135deg, rgba(168, 40, 40, 0.08), rgba(35, 116, 119, 0.1));
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: panel-breathe 6s ease-in-out infinite;
}

.visual-panel::before,
.visual-panel::after {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(36, 79, 122, 0.16);
  border-radius: 50%;
  content: "";
  animation: rotate-ring 18s linear infinite;
}

.visual-panel::after {
  inset: 22%;
  border-color: rgba(168, 40, 40, 0.18);
  animation-duration: 12s;
  animation-direction: reverse;
}

.model-stage {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: min(350px, 62%);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  perspective: 900px;
}

.model-stage::before,
.model-stage::after {
  position: absolute;
  inset: 2%;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.model-stage::before {
  background:
    conic-gradient(from 90deg, transparent, rgba(168, 40, 40, 0.28), transparent 34%, rgba(35, 116, 119, 0.26), transparent 66%, rgba(167, 122, 47, 0.24), transparent),
    radial-gradient(circle, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 62%);
  filter: blur(0.4px);
  opacity: 0.86;
  animation: holo-spin 10s linear infinite;
}

.model-stage::after {
  inset: 18%;
  background: radial-gradient(circle, rgba(168, 40, 40, 0.16), rgba(35, 116, 119, 0.1) 46%, transparent 70%);
  filter: blur(10px);
  animation: holo-pulse 3.6s ease-in-out infinite;
}

.hero-model,
.visual-logo {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
}

.hero-model {
  --poster-color: transparent;
  --progress-bar-color: transparent;
  --progress-mask: transparent;
  background: transparent;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 700ms ease, transform 700ms ease, filter 700ms ease;
  filter: drop-shadow(0 20px 28px rgba(168, 40, 40, 0.2));
}

.hero-model::part(default-progress-bar) {
  display: none;
  height: 0;
  opacity: 0;
}

.model-ready .hero-model {
  opacity: 1;
  transform: scale(1);
  filter: drop-shadow(0 24px 30px rgba(168, 40, 40, 0.28));
}

.visual-logo {
  display: grid;
  place-items: center;
  transition: opacity 520ms ease, transform 520ms ease;
}

.visual-logo img {
  width: 76%;
  height: 76%;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(168, 40, 40, 0.2));
  animation: fallback-float 4.8s ease-in-out infinite;
}

.model-ready .model-fallback {
  opacity: 0;
  transform: scale(0.96);
  pointer-events: none;
}

.signal {
  position: absolute;
  z-index: 1;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 10px rgba(35, 116, 119, 0.1), 0 0 26px rgba(35, 116, 119, 0.35);
  animation: pulse 2.6s ease-in-out infinite;
}

.signal-one {
  top: 23%;
  right: 24%;
}

.signal-two {
  bottom: 28%;
  left: 19%;
  background: var(--brand);
  animation-delay: 450ms;
}

.signal-three {
  right: 17%;
  bottom: 21%;
  background: var(--gold);
  animation-delay: 900ms;
}

.data-chip {
  position: absolute;
  z-index: 3;
  overflow: hidden;
  width: 172px;
  padding: 14px 16px;
  border: 1px solid rgba(20, 33, 43, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 32px rgba(22, 36, 45, 0.12);
  animation: chip-float 5.2s ease-in-out infinite;
}

.data-chip::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--teal), var(--gold));
  opacity: 0.72;
  transform-origin: left center;
  animation: rail-flow 3.8s ease-in-out infinite;
}

.data-chip span {
  display: block;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.data-chip strong {
  display: block;
  margin-top: 3px;
  font-size: 16px;
}

.chip-a {
  top: 14%;
  left: 11%;
}

.chip-b {
  right: 8%;
  top: 33%;
  animation-delay: 0.6s;
}

.chip-c {
  bottom: 10%;
  left: 20%;
  animation-delay: 1.15s;
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(22px, 5vw, 72px);
}

.section-heading {
  position: relative;
  max-width: 920px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading::after {
  content: "";
  display: block;
  width: min(220px, 46vw);
  height: 2px;
  margin: 20px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--teal), transparent);
  transform-origin: center;
  animation: section-rail 3.8s ease-in-out infinite;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
}

.brand-platform {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 248, 0.92)),
    repeating-linear-gradient(90deg, rgba(36, 79, 122, 0.06) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(35, 116, 119, 0.045) 0 1px, transparent 1px 92px);
}

.brand-platform::before {
  content: "";
  position: absolute;
  inset: -28% -12%;
  z-index: -2;
  background:
    linear-gradient(116deg, transparent 0 38%, rgba(168, 40, 40, 0.1) 46%, rgba(35, 116, 119, 0.08) 52%, transparent 62%),
    linear-gradient(68deg, transparent 0 42%, rgba(167, 122, 47, 0.08) 50%, transparent 58%);
  transform: translateX(-28%) skewX(-10deg);
  animation: brand-scan 9s ease-in-out infinite;
}

.brand-platform::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent),
    repeating-linear-gradient(135deg, transparent 0 18px, rgba(36, 79, 122, 0.035) 18px 19px, transparent 19px 54px);
  opacity: 0.8;
  pointer-events: none;
}

.brand-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.74fr);
  gap: clamp(22px, 4vw, 42px);
  max-width: 1180px;
  margin: 0 auto;
  align-items: stretch;
}

.brand-story,
.brand-fact,
.brand-point {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(36, 79, 122, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.brand-story::before,
.brand-fact::before,
.brand-point::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 0 34%, rgba(255, 255, 255, 0.78) 48%, transparent 62%);
  opacity: 0;
  transform: translateX(-125%);
  transition: opacity 220ms ease;
  pointer-events: none;
}

.brand-story:hover,
.brand-fact:hover,
.brand-point:hover {
  border-color: rgba(168, 40, 40, 0.28);
  box-shadow: 0 26px 60px rgba(22, 36, 45, 0.14);
  transform: translateY(-4px);
}

.brand-story:hover::before,
.brand-fact:hover::before,
.brand-point:hover::before {
  opacity: 1;
  animation: card-sheen 1.35s ease;
}

.brand-story {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(248, 251, 251, 0.88)),
    linear-gradient(135deg, rgba(168, 40, 40, 0.05), transparent 42%, rgba(35, 116, 119, 0.06));
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow);
}

.brand-story::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--teal), var(--gold));
  opacity: 0.8;
}

.brand-signal {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(360px, 100%);
  margin: 0 0 22px;
}

.brand-signal span {
  height: 2px;
  flex: 1;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(168, 40, 40, 0.08), rgba(35, 116, 119, 0.66), rgba(167, 122, 47, 0.12));
  transform-origin: left center;
  animation: signal-flow 2.8s ease-in-out infinite;
}

.brand-signal span:nth-child(2) {
  flex: 0.62;
  animation-delay: 0.34s;
}

.brand-signal span:nth-child(3) {
  flex: 0.36;
  animation-delay: 0.68s;
}

.brand-story h2 {
  position: relative;
  max-width: 760px;
  margin: 0 0 22px;
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.12;
}

.brand-story h2 span {
  display: block;
  text-wrap: balance;
}

.brand-story p {
  position: relative;
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

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

.brand-facts {
  display: grid;
  gap: 16px;
}

.brand-fact {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 248, 0.78)),
    linear-gradient(90deg, rgba(168, 40, 40, 0.04), transparent 46%);
  padding: 24px;
}

.brand-fact::after {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand), var(--teal));
  opacity: 0.82;
}

.brand-fact span {
  position: relative;
  display: block;
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
}

.brand-fact strong {
  position: relative;
  display: block;
  font-size: clamp(20px, 2.3vw, 28px);
  line-height: 1.28;
}

.brand-points {
  position: relative;
  z-index: 1;
  counter-reset: brandPoint;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 24px auto 0;
}

.brand-point {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 250, 0.84)),
    linear-gradient(180deg, rgba(35, 116, 119, 0.04), transparent 42%);
  min-height: 240px;
  padding: 28px;
}

.brand-point::after {
  counter-increment: brandPoint;
  content: "0" counter(brandPoint);
  position: absolute;
  top: 22px;
  right: 24px;
  color: rgba(168, 40, 40, 0.12);
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.brand-point h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-size: 24px;
}

.brand-point p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
}

.overview {
  background: #fff;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.summary-card,
.timeline-item,
.compliance-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.summary-card::before,
.timeline-item::before,
.compliance-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0 34%, rgba(255, 255, 255, 0.78) 50%, transparent 66%);
  opacity: 0;
  transform: translateX(-125%);
  pointer-events: none;
}

.summary-card:hover,
.timeline-item:hover,
.compliance-card:hover {
  border-color: rgba(35, 116, 119, 0.26);
  box-shadow: 0 22px 50px rgba(22, 36, 45, 0.12);
  transform: translateY(-4px);
}

.summary-card:hover::before,
.timeline-item:hover::before,
.compliance-card:hover::before {
  opacity: 1;
  animation: card-sheen 1.25s ease;
}

.summary-card {
  min-height: 250px;
  padding: 28px;
  background:
    linear-gradient(145deg, #fff, rgba(247, 250, 250, 0.92)),
    linear-gradient(180deg, rgba(168, 40, 40, 0.035), transparent 42%);
}

.summary-card::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 24px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(35, 116, 119, 0.22);
  border-radius: 50%;
  background: conic-gradient(from 90deg, transparent, rgba(35, 116, 119, 0.28), transparent 58%);
  opacity: 0.7;
  animation: holo-spin 7s linear infinite;
}

.summary-card h3,
.tech-copy h3,
.timeline-item h3,
.compliance-card h3 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.28;
}

.summary-card p,
.tech-copy p,
.workflow-step p,
.timeline-item p,
.compliance-card p {
  margin: 0;
  color: var(--muted);
}

.technology {
  position: relative;
  overflow: hidden;
  background: var(--soft);
}

.technology::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, transparent 0 34%, rgba(36, 79, 122, 0.08) 46%, transparent 58%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.5) 0 1px, transparent 1px 84px);
  opacity: 0.6;
  transform: translateX(-22%);
  animation: hero-scan 10s ease-in-out infinite;
  pointer-events: none;
}

.tech-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(24px, 4vw, 48px);
  max-width: 1180px;
  margin: 0 auto;
  align-items: start;
}

.tech-copy {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-left: 4px solid var(--brand);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 251, 0.9)),
    repeating-linear-gradient(0deg, rgba(36, 79, 122, 0.04) 0 1px, transparent 1px 42px);
  box-shadow: 0 18px 45px rgba(22, 36, 45, 0.08);
}

.tech-copy::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -4px;
  width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--teal), var(--gold), var(--brand));
  background-size: 100% 240%;
  animation: vertical-flow 4.6s linear infinite;
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 25px;
  color: #344852;
}

.check-list li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
  box-shadow: 0 0 0 0 rgba(35, 116, 119, 0.28);
  animation: node-pulse 2.8s ease-in-out infinite;
}

.workflow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.workflow::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 8%;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(35, 116, 119, 0.32), rgba(168, 40, 40, 0.22), transparent);
  transform-origin: center;
  animation: rail-flow 4.2s ease-in-out infinite;
  pointer-events: none;
}

.workflow-step {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  padding: 26px;
  border: 1px solid rgba(36, 79, 122, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.97), rgba(247, 250, 250, 0.9)),
    repeating-linear-gradient(135deg, rgba(36, 79, 122, 0.035) 0 1px, transparent 1px 36px);
  box-shadow: 0 14px 34px rgba(22, 36, 45, 0.07);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.workflow-step::before {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 8px rgba(35, 116, 119, 0.1), 0 0 24px rgba(35, 116, 119, 0.26);
  animation: node-pulse 2.5s ease-in-out infinite;
}

.workflow-step::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 0 36%, rgba(255, 255, 255, 0.72) 50%, transparent 64%);
  opacity: 0;
  transform: translateX(-125%);
  pointer-events: none;
}

.workflow-step:hover {
  border-color: rgba(168, 40, 40, 0.26);
  box-shadow: 0 24px 52px rgba(22, 36, 45, 0.12);
  transform: translateY(-4px);
}

.workflow-step:hover::after {
  opacity: 1;
  animation: card-sheen 1.2s ease;
}

.step-index {
  display: inline-block;
  margin-bottom: 28px;
  color: rgba(168, 40, 40, 0.72);
  font-size: 14px;
  font-weight: 800;
  animation: text-glow 3.2s ease-in-out infinite;
}

.workflow-step strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.progress {
  position: relative;
  overflow: hidden;
  background: #fff;
}

.progress::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 90px, rgba(168, 40, 40, 0.035) 90px 91px, transparent 91px 180px),
    linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(244, 247, 248, 0.7));
  pointer-events: none;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  max-width: 1280px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: -18px;
  right: 0;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(168, 40, 40, 0.4), rgba(35, 116, 119, 0.4), transparent);
  animation: rail-flow 4.6s ease-in-out infinite;
}

.timeline-item {
  background:
    linear-gradient(145deg, #fff, rgba(247, 250, 250, 0.9)),
    linear-gradient(180deg, rgba(36, 79, 122, 0.035), transparent 42%);
  padding: 24px;
}

.timeline-item::after {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 8px rgba(168, 40, 40, 0.08);
  animation: node-pulse 2.9s ease-in-out infinite;
}

.timeline-item time {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
}

.timeline-item h3 {
  font-size: 19px;
}

.timeline-item h3 a {
  transition: color 180ms ease;
}

.timeline-item h3 a:hover,
.timeline-item h3 a:focus-visible {
  color: var(--brand);
}

.read-more {
  display: inline-flex;
  margin-top: 18px;
  color: var(--blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.wechat-follow {
  position: relative;
  overflow: hidden;
  background: var(--soft);
}

.wechat-follow::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent 0 38%, rgba(35, 116, 119, 0.08) 48%, transparent 58%),
    repeating-linear-gradient(0deg, rgba(36, 79, 122, 0.045) 0 1px, transparent 1px 78px);
  animation: hero-scan 11s ease-in-out infinite;
  pointer-events: none;
}

.wechat-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid rgba(36, 79, 122, 0.16);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.wechat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 0 36%, rgba(255, 255, 255, 0.7) 50%, transparent 64%);
  opacity: 0.9;
  transform: translateX(-120%);
  animation: slow-sheen 6.5s ease-in-out infinite;
  pointer-events: none;
}

.wechat-copy h3 {
  position: relative;
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
}

.wechat-copy p {
  position: relative;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.wechat-note {
  margin-top: 14px !important;
  color: #344852 !important;
  font-weight: 700;
}

.wechat-qr {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 38px rgba(22, 36, 45, 0.1);
}

.wechat-qr::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 1;
  border: 1px solid rgba(35, 116, 119, 0.22);
  box-shadow: inset 0 0 0 1px rgba(168, 40, 40, 0.08);
  pointer-events: none;
  animation: qr-breathe 3.8s ease-in-out infinite;
}

.wechat-qr img {
  width: 100%;
  height: auto;
  animation: qr-breathe 5.2s ease-in-out infinite;
}

.qualification {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(244, 247, 248, 0.92), rgba(255, 255, 255, 1)),
    repeating-linear-gradient(45deg, rgba(36, 79, 122, 0.05) 0 1px, transparent 1px 34px);
}

.qualification::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 0 36%, rgba(168, 40, 40, 0.06) 48%, transparent 60%);
  animation: brand-scan 12s ease-in-out infinite;
  pointer-events: none;
}

.qualification-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.info-list {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(22, 36, 45, 0.08);
}

.info-list div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}

.info-list div:hover {
  background: rgba(35, 116, 119, 0.045);
}

.info-list div:last-child {
  border-bottom: 0;
}

.info-list dt,
.info-list dd {
  margin: 0;
  padding: 20px 24px;
}

.info-list dt {
  color: #485965;
  background: rgba(244, 247, 248, 0.9);
  font-weight: 700;
}

.info-list dd {
  color: var(--ink);
}

.compliance-card {
  align-self: stretch;
  padding: 30px;
  box-shadow: var(--shadow);
  background:
    linear-gradient(145deg, #fff, rgba(247, 250, 250, 0.92)),
    repeating-linear-gradient(135deg, rgba(36, 79, 122, 0.04) 0 1px, transparent 1px 40px);
}

.record-links {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.record-links a,
.footer-records a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #3c4c56;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 180ms ease, transform 180ms ease;
}

.record-links a:hover,
.footer-records a:hover {
  color: var(--brand);
  transform: translateX(3px);
}

.record-links img,
.footer-records img {
  width: 16px;
  height: 18px;
  object-fit: contain;
}

.icp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 18px;
  border-radius: 4px;
  color: #fff;
  background: linear-gradient(135deg, #a82828, #d24c3f);
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.site-footer {
  color: var(--ink);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 248, 0.96)),
    repeating-linear-gradient(90deg, rgba(36, 79, 122, 0.05) 0 1px, transparent 1px 82px);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px clamp(22px, 5vw, 72px);
}

.footer-inner strong {
  display: block;
  margin-bottom: 5px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-records {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  font-size: 14px;
}

.footer-records a {
  color: #3c4c56;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  animation: reveal-up 600ms ease both;
}

.reveal-enabled .reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: none;
}

.reveal-enabled .reveal.is-visible {
  animation: reveal-up 720ms cubic-bezier(0.2, 0.75, 0.25, 1) var(--reveal-delay, 0ms) both;
}

@keyframes rotate-ring {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.78;
  }

  50% {
    transform: scale(1.35);
    opacity: 1;
  }
}

@keyframes hero-scan {
  0%,
  100% {
    opacity: 0.38;
    transform: translateX(-22%);
  }

  50% {
    opacity: 0.9;
    transform: translateX(22%);
  }
}

@keyframes rail-flow {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleX(0.42);
  }

  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes panel-breathe {
  0%,
  100% {
    box-shadow: 0 20px 55px rgba(22, 36, 45, 0.12);
  }

  50% {
    box-shadow: 0 26px 70px rgba(36, 79, 122, 0.18);
  }
}

@keyframes chip-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes holo-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes holo-pulse {
  0%,
  100% {
    opacity: 0.62;
    transform: scale(0.96);
  }

  50% {
    opacity: 0.94;
    transform: scale(1.04);
  }
}

@keyframes fallback-float {
  0%,
  100% {
    transform: translateY(0) rotateY(-4deg);
  }

  50% {
    transform: translateY(-8px) rotateY(5deg);
  }
}

@keyframes brand-scan {
  0%,
  100% {
    opacity: 0.42;
    transform: translateX(-32%) skewX(-10deg);
  }

  50% {
    opacity: 0.92;
    transform: translateX(26%) skewX(-10deg);
  }
}

@keyframes card-sheen {
  from {
    transform: translateX(-125%);
  }

  to {
    transform: translateX(125%);
  }
}

@keyframes signal-flow {
  0%,
  100% {
    opacity: 0.38;
    transform: scaleX(0.35);
  }

  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes section-rail {
  0%,
  100% {
    opacity: 0.42;
    transform: scaleX(0.56);
  }

  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes vertical-flow {
  to {
    background-position: 0 240%;
  }
}

@keyframes node-pulse {
  0%,
  100% {
    opacity: 0.68;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.22);
  }
}

@keyframes text-glow {
  0%,
  100% {
    color: rgba(168, 40, 40, 0.72);
    text-shadow: none;
  }

  50% {
    color: var(--brand);
    text-shadow: 0 0 18px rgba(168, 40, 40, 0.2);
  }
}

@keyframes slow-sheen {
  0%,
  35% {
    transform: translateX(-125%);
  }

  70%,
  100% {
    transform: translateX(125%);
  }
}

@keyframes qr-breathe {
  0%,
  100% {
    opacity: 0.86;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.015);
  }
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

@media (max-width: 1080px) {
  .hero,
  .tech-layout,
  .qualification-grid,
  .brand-shell {
    grid-template-columns: 1fr;
  }

  .visual-panel {
    min-height: 520px;
  }

  .overview-grid,
  .brand-points {
    grid-template-columns: 1fr;
  }

  .summary-card {
    min-height: auto;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    min-height: 0;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: 42px;
  }

  .hero-copy,
  .hero h1,
  .hero-lede,
  .hero-actions,
  .hero-visual,
  .visual-panel {
    width: 100%;
    max-width: calc(100vw - 48px);
  }

  .hero-copy {
    padding-right: 36px;
  }

  .hero h1 {
    font-size: clamp(34px, 9.8vw, 40px);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .visual-panel {
    min-height: 420px;
    margin-top: 36px;
  }

  .model-stage {
    width: min(300px, 72vw);
  }

  .data-chip {
    width: 142px;
    padding: 12px;
  }

  .chip-b {
    right: 5%;
  }

  .workflow,
  .timeline,
  .wechat-card {
    grid-template-columns: 1fr;
  }

  .info-list div {
    grid-template-columns: 1fr;
  }

  .info-list dt,
  .info-list dd {
    padding: 16px 18px;
  }

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

  .footer-records {
    justify-content: flex-start;
  }
}

@media (max-width: 460px) {
  .section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .brand span {
    font-size: 16px;
  }

  .hero-lede {
    font-size: 17px;
    word-break: break-all;
    line-break: anywhere;
  }

  .visual-panel {
    min-height: 360px;
  }

  .data-chip {
    width: 104px;
  }

  .data-chip strong {
    font-size: 14px;
  }

  .summary-card,
  .tech-copy,
  .workflow-step,
  .timeline-item,
  .compliance-card {
    padding: 22px;
  }
}
