:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-2: #0a1728;
  --panel: rgba(12, 25, 42, 0.72);
  --panel-solid: #0d1b2d;
  --line: rgba(148, 163, 184, 0.22);
  --text: #eef7ff;
  --muted: #9fb3c8;
  --cyan: #22d3ee;
  --cyan-2: #38bdf8;
  --mint: #34d399;
  --gold: #facc15;
  --coral: #fb7185;
  --radius: 8px;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 18%, rgba(34, 211, 238, 0.16), transparent 32rem),
    radial-gradient(circle at 84% 12%, rgba(250, 204, 21, 0.1), transparent 26rem),
    linear-gradient(135deg, #050914 0%, var(--bg) 46%, #091825 100%);
  color: var(--text);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans SC",
    system-ui,
    -apple-system,
    sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 78%);
  z-index: 0;
}

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

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

#signalCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.54;
  pointer-events: none;
}

.page-shell {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, 0.78);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.45);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.28), rgba(250, 204, 21, 0.15)),
    #0d1b2d;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.25);
}

.brand strong,
.brand small {
  display: block;
}

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

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  color: #c7d7e6;
  font-size: 14px;
  white-space: nowrap;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--cyan);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: var(--radius);
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.header-cta {
  padding: 0 16px;
  border: 1px solid rgba(250, 204, 21, 0.34);
  background: rgba(250, 204, 21, 0.1);
  color: #fff8c9;
}

.btn {
  min-width: 132px;
  padding: 0 20px;
}

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

.btn.primary {
  border: 1px solid rgba(34, 211, 238, 0.65);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.98), rgba(14, 165, 233, 0.82));
  color: #03101a;
  box-shadow: 0 12px 34px rgba(34, 211, 238, 0.26);
}

.btn.ghost {
  border: 1px solid rgba(148, 163, 184, 0.34);
  background: rgba(148, 163, 184, 0.08);
  color: var(--text);
}

.hero,
.section-grid,
.intro,
.split-section,
.contact-section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 38px;
  align-items: center;
  min-height: calc(88vh - 90px);
  padding: 50px 0 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: clamp(36px, 4.35vw, 58px);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-lede {
  max-width: 610px;
  font-size: 16px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.trust-strip div {
  min-height: 82px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 25, 42, 0.62);
}

.trust-strip strong {
  display: block;
  color: #fff;
  font-size: 22px;
  line-height: 1.1;
}

.trust-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
}

.visual-stage {
  position: relative;
  min-height: clamp(360px, 48vh, 480px);
  overflow: hidden;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  isolation: isolate;
}

.visual-stage::before,
.visual-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 2;
}

.visual-stage::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.16), transparent 45%, rgba(7, 17, 31, 0.24)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 7px);
  mix-blend-mode: screen;
  opacity: 0.44;
}

.visual-stage::after {
  inset: auto -15% 6% 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--gold), transparent);
  box-shadow: 0 0 32px rgba(34, 211, 238, 0.65);
  animation: sweep 4.8s ease-in-out infinite;
}

.visual-stage img {
  width: 100%;
  height: clamp(360px, 48vh, 480px);
  padding: 18px;
  object-fit: contain;
  transform: none;
  animation: none;
}

.radar-card,
.metric-card {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(34, 211, 238, 0.34);
  border-radius: var(--radius);
  background: rgba(6, 14, 25, 0.78);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.radar-card {
  right: 18px;
  bottom: 18px;
  min-width: 205px;
  padding: 14px 16px;
}

.radar-card span,
.metric-card span {
  display: block;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.radar-card strong,
.metric-card strong {
  display: block;
  margin-top: 7px;
  color: #fff;
}

.metric-card {
  padding: 12px 14px;
}

.metric-card.m1 {
  top: 28px;
  left: 26px;
}

.metric-card.m2 {
  right: 48px;
  top: 130px;
}

.intro {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 46px;
  align-items: start;
  padding: 74px 0;
}

.intro-copy {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(250, 204, 21, 0.05));
}

.section-block {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 84px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading p {
  max-width: 760px;
}

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

.capability-card {
  min-height: 258px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.08), transparent 42%),
    rgba(12, 25, 42, 0.7);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background 200ms ease;
}

.capability-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.42);
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.14), rgba(250, 204, 21, 0.04)),
    rgba(12, 25, 42, 0.86);
}

.icon-badge {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin-bottom: 28px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: var(--radius);
  background: rgba(34, 211, 238, 0.1);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.platform-panel {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  min-height: 460px;
  margin: 28px auto 40px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #06101d;
  box-shadow: var(--shadow);
}

.platform-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.platform-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 9, 20, 0.94), rgba(5, 9, 20, 0.5), rgba(5, 9, 20, 0.78));
}

.platform-content {
  position: relative;
  z-index: 1;
  max-width: 710px;
  padding: 56px;
}

.platform-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.platform-points span,
.feature-list span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius);
  background: rgba(34, 211, 238, 0.08);
  color: #dff9ff;
  font-size: 14px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.case-card.large {
  grid-column: span 1;
}

.case-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.03);
  transition: transform 360ms ease;
}

.case-card:hover img {
  transform: scale(1.045);
}

.case-copy {
  padding: 22px;
}

.case-copy span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.case-copy p {
  margin-bottom: 0;
}

.split-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 76px 0;
}

.split-media,
.split-copy,
.qr-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
}

.split-media {
  overflow: hidden;
}

.split-media img {
  width: 100%;
  height: 455px;
  object-fit: cover;
}

.split-copy {
  padding: 36px;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

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

.marketing-grid img {
  width: 100%;
  height: 360px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

.surgery-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 0.85fr;
  gap: 34px;
  align-items: center;
  width: min(1180px, calc(100% - 32px));
  margin: 34px auto 76px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(12, 25, 42, 0.86), rgba(2, 78, 92, 0.22));
  box-shadow: var(--shadow);
}

.surgery-section img {
  width: 100%;
  height: 390px;
  min-height: 360px;
  border-radius: var(--radius);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.96);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: stretch;
  padding: 88px 0 56px;
}

.contact-copy {
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(250, 204, 21, 0.07)),
    rgba(12, 25, 42, 0.76);
}

.qr-card {
  padding: 22px;
  text-align: center;
}

.qr-card img {
  width: 100%;
  max-height: 360px;
  border-radius: var(--radius);
  object-fit: cover;
  object-position: center 64%;
  background: #fff;
}

.qr-card h3 {
  margin: 20px 0 8px;
}

.qr-card p {
  margin-bottom: 0;
  font-size: 14px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 620ms ease,
    transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slowDrift {
  from {
    transform: scale(1.04) translate3d(-8px, -6px, 0);
  }
  to {
    transform: scale(1.08) translate3d(8px, 6px, 0);
  }
}

@keyframes sweep {
  0%,
  100% {
    transform: translateX(-42%);
    opacity: 0.3;
  }
  50% {
    transform: translateX(30%);
    opacity: 1;
  }
}

@media (max-width: 1040px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .header-cta {
    position: absolute;
    top: 14px;
    right: 14px;
  }

  .hero,
  .intro,
  .split-section,
  .surgery-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

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

@media (max-width: 760px) {
  .site-header,
  .hero,
  .section-grid,
  .intro,
  .section-block,
  .platform-panel,
  .split-section,
  .surgery-section,
  .contact-section,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    min-height: 64px;
    margin-top: 12px;
  }

  .brand {
    min-width: 0;
    padding-right: 132px;
  }

  .brand strong {
    font-size: 15px;
  }

  .brand small {
    display: none;
  }

  .site-nav {
    gap: 12px;
    font-size: 12px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 10px;
    font-size: 13px;
  }

  h1 {
    font-size: clamp(29px, 8.6vw, 36px);
    line-height: 1.16;
  }

  h2 {
    font-size: clamp(24px, 7.6vw, 32px);
  }

  .hero-lede {
    font-size: 15px;
    line-height: 1.68;
  }

  .hero {
    gap: 20px;
    padding-top: 28px;
    padding-bottom: 14px;
  }

  .hero-actions {
    margin: 20px 0;
  }

  .trust-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 14px;
  }

  .trust-strip div {
    min-height: 58px;
    padding: 8px 7px;
  }

  .trust-strip strong {
    font-size: 16px;
  }

  .trust-strip span {
    margin-top: 5px;
    font-size: 11px;
    line-height: 1.28;
  }

  .capability-grid,
  .case-grid,
  .marketing-grid {
    grid-template-columns: 1fr;
  }

  .visual-stage,
  .visual-stage img {
    min-height: 170px;
    height: 170px;
  }

  .visual-stage img {
    padding: 12px;
  }

  .intro {
    padding-top: 24px;
  }

  .metric-card {
    display: none;
  }

  .radar-card {
    min-width: 138px;
    padding: 8px 9px;
  }

  .radar-card strong {
    margin-top: 4px;
    font-size: 12px;
  }

  .metric-card.m2 {
    right: 18px;
    top: 104px;
  }

  .radar-card {
    right: 10px;
    bottom: 10px;
  }

  .platform-content,
  .split-copy,
  .contact-copy {
    padding: 26px;
  }

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

  .split-media img,
  .marketing-grid img,
  .surgery-section img {
    height: 300px;
    min-height: 300px;
  }

  .surgery-section img {
    object-fit: contain;
  }

  .contact-section {
    padding-top: 54px;
  }

  .qr-card {
    max-width: 360px;
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}