:root {
  color-scheme: light;
  --bg: oklch(0.975 0.012 210);
  --surface: oklch(1 0 0);
  --surface-2: oklch(0.956 0.012 205);
  --ink: oklch(0.182 0.028 230);
  --ink-soft: oklch(0.355 0.032 228);
  --muted: oklch(0.55 0.026 225);
  --line: oklch(0.86 0.018 215);
  --accent: oklch(0.53 0.15 205);
  --accent-dark: oklch(0.36 0.12 210);
  --accent-deep: oklch(0.25 0.09 220);
  --accent-soft: oklch(0.91 0.045 205);
  --success: oklch(0.58 0.14 165);
  --radius: 8px;
  --shadow: 0 24px 70px rgb(21 44 63 / 0.12);
  --max: 1180px;
  --font-sans:
    "HarmonyOS Sans SC", "MiSans", "Alibaba PuHuiTi 3.0", "Alibaba PuHuiTi",
    "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei UI",
    "Microsoft YaHei", Arial, sans-serif;
  --font-display:
    "HarmonyOS Sans SC", "MiSans", "Alibaba PuHuiTi 3.0", "Source Han Sans SC",
    "PingFang SC", "Microsoft YaHei UI", sans-serif;
  font-family: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgb(232 247 251 / 0.78), rgb(247 252 254 / 0.9) 34%, rgb(255 255 255 / 0.96)),
    var(--bg);
  font-size: 16px;
  line-height: 1.65;
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgb(24 65 91 / 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgb(24 65 91 / 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 18%, rgb(27 177 204 / 0.14), transparent 28%),
    radial-gradient(circle at 12% 28%, rgb(28 79 129 / 0.1), transparent 28%);
  opacity: 0.85;
  animation: ambientShift 18s ease-in-out infinite alternate;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

::selection {
  color: white;
  background: var(--accent-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  margin: 0;
  padding: 8px max(24px, calc((100% - var(--max)) / 2));
  border-bottom: 1px solid rgb(167 190 203 / 0.44);
  background: rgb(248 253 255 / 0.84);
  backdrop-filter: blur(18px) saturate(138%);
  box-shadow: 0 10px 34px rgb(31 62 82 / 0.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-logo {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  width: 62px;
  height: 50px;
  place-items: center;
  overflow: visible;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  filter: drop-shadow(0 10px 18px rgb(20 92 121 / 0.16));
  transition: transform 180ms ease, filter 180ms ease;
}

.brand-logo::after {
  content: none;
}

.brand-logo img {
  position: relative;
  z-index: 1;
  width: 62px;
  height: 50px;
  object-fit: contain;
  max-width: 100%;
}

.brand:hover .brand-logo,
.brand:focus-visible .brand-logo {
  transform: translateY(-1px);
  filter: drop-shadow(0 14px 24px rgb(20 92 121 / 0.2));
}

.brand-text {
  display: grid;
  gap: 4px;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 850;
  line-height: 1.06;
}

.brand-text span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
  line-height: 1.05;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 13px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  background: var(--surface-2);
}

.site-nav a:active,
.button:active,
.menu-button:active {
  transform: translateY(1px);
}

.site-nav .nav-cta {
  color: white;
  background: var(--accent-deep);
  box-shadow: 0 12px 28px rgb(18 83 116 / 0.18);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: white;
  background: var(--accent);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--ink);
}

.section-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.82fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
  min-height: calc(100dvh - 76px);
  padding: clamp(28px, 4.5vw, 46px) 0 clamp(42px, 7vw, 70px);
}

.flow-canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.72;
}

.hero-tech-field {
  position: absolute;
  inset: clamp(38px, 6vw, 72px) 0 clamp(34px, 6vw, 70px);
  z-index: -1;
  overflow: hidden;
  border-radius: var(--radius);
  pointer-events: none;
  mask-image: linear-gradient(90deg, black 0%, black 78%, transparent 100%);
}

.hero-tech-field::before,
.hero-tech-field::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.hero-tech-field::before {
  right: 10%;
  top: 8%;
  width: min(40vw, 480px);
  height: min(40vw, 480px);
  border: 1px solid rgb(33 146 181 / 0.14);
  box-shadow:
    inset 0 0 80px rgb(37 155 191 / 0.08),
    0 0 90px rgb(37 155 191 / 0.1);
  animation: orbitDrift 14s linear infinite;
}

.hero-tech-field::after {
  right: 24%;
  top: 28%;
  width: 9px;
  height: 9px;
  background: var(--accent);
  box-shadow:
    0 0 0 8px rgb(25 145 182 / 0.12),
    0 0 34px rgb(25 145 182 / 0.38);
  animation: nodePulse 2.8s ease-in-out infinite;
}

.tech-ring {
  position: absolute;
  border: 1px solid rgb(34 132 169 / 0.16);
  border-radius: 999px;
  opacity: 0.82;
}

.ring-one {
  right: 3%;
  top: 16%;
  width: min(34vw, 380px);
  height: min(34vw, 380px);
  animation: ringRotate 18s linear infinite;
}

.ring-two {
  right: 18%;
  bottom: 9%;
  width: min(22vw, 260px);
  height: min(22vw, 260px);
  animation: ringRotate 12s linear infinite reverse;
}

.tech-ring::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: oklch(0.72 0.14 190);
  box-shadow: 0 0 28px rgb(36 171 207 / 0.54);
}

.tech-scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgb(40 168 204 / 0.04) 34%, rgb(40 168 204 / 0.12) 50%, rgb(40 168 204 / 0.04) 66%, transparent 100%);
  opacity: 0;
  transform: translateX(-84%);
  animation: scanPass 8.5s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

.hero-copy {
  max-width: 780px;
}

.hero-capability {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 660px;
  margin: 0 0 clamp(42px, 7vw, 78px);
}

.hero-capability span,
.hero-capability a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgb(42 121 153 / 0.2);
  border-radius: 999px;
  color: oklch(0.32 0.09 215);
  background: rgb(255 255 255 / 0.56);
  box-shadow: 0 14px 30px rgb(31 99 128 / 0.08);
  font-size: 13px;
  font-weight: 760;
  backdrop-filter: blur(12px);
  animation: floatChip 5.8s ease-in-out infinite;
}

.hero-capability a {
  color: white;
  border-color: rgb(4 56 82 / 0.16);
  background: var(--accent-deep);
  box-shadow: 0 16px 34px rgb(16 74 105 / 0.18);
}

.hero-capability span:nth-child(2) {
  animation-delay: 0.35s;
}

.hero-capability span:nth-child(3) {
  animation-delay: 0.7s;
}

.hero-capability a:nth-child(4) {
  animation-delay: 1.05s;
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  text-wrap: balance;
}

h1 {
  max-width: 650px;
  margin-bottom: 22px;
  font-size: clamp(38px, 4.7vw, 58px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-title {
  display: grid;
  gap: 6px;
}

.hero-title span {
  display: block;
}

.hero-title span:last-child {
  color: oklch(0.24 0.07 220);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 760;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 760;
  line-height: 1.3;
}

p {
  color: var(--ink-soft);
  text-wrap: pretty;
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
}

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

.button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button::before {
  content: "";
  position: absolute;
  inset: -60% -40%;
  background: linear-gradient(115deg, transparent 36%, rgb(255 255 255 / 0.32), transparent 64%);
  transform: translateX(-74%) rotate(8deg);
  transition: transform 560ms cubic-bezier(0.22, 1, 0.36, 1);
}

.button:hover::before,
.button:focus-visible::before {
  transform: translateX(74%) rotate(8deg);
}

.button.primary {
  color: white;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.1), transparent 42%),
    var(--accent-deep);
  box-shadow:
    0 16px 34px rgb(16 74 105 / 0.25),
    inset 0 1px 0 rgb(255 255 255 / 0.18);
}

.button.primary:hover,
.button.primary:focus-visible {
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.12), transparent 42%),
    oklch(0.32 0.12 216);
  box-shadow:
    0 20px 42px rgb(16 74 105 / 0.28),
    inset 0 1px 0 rgb(255 255 255 / 0.2);
}

.button.secondary {
  color: var(--accent-deep);
  border-color: rgb(42 121 153 / 0.24);
  background: rgb(255 255 255 / 0.68);
  backdrop-filter: blur(14px);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: rgb(87 138 163 / 0.42);
  background: rgb(227 248 252 / 0.86);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.hero-proof span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgb(42 121 153 / 0.2);
  border-radius: 999px;
  color: var(--accent-deep);
  background: rgb(255 255 255 / 0.58);
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 10px 24px rgb(31 99 128 / 0.08);
}

.gateway-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgb(136 166 182 / 0.4);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.92), rgb(238 247 250 / 0.92)),
    white;
  box-shadow:
    0 34px 90px rgb(23 73 101 / 0.18),
    0 1px 0 rgb(255 255 255 / 0.72) inset;
  transform: translateZ(0);
  animation: panelFloat 7s ease-in-out infinite;
}

.gateway-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgb(43 126 158 / 0.06), transparent),
    repeating-linear-gradient(0deg, transparent 0 34px, rgb(25 75 108 / 0.04) 35px 36px);
  animation: gridSlide 12s linear infinite;
}

.gateway-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgb(39 149 184 / 0.035) 34%, rgb(39 149 184 / 0.095) 50%, rgb(39 149 184 / 0.035) 66%, transparent 100%);
  opacity: 0;
  transform: translateY(-100%);
  animation: panelScan 5.6s ease-in-out infinite;
}

.panel-signal {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  display: flex;
  gap: 6px;
}

.panel-signal span {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 16px rgb(35 166 199 / 0.5);
  animation: signalBlink 1.8s ease-in-out infinite;
}

.panel-signal span:nth-child(2) {
  animation-delay: 0.18s;
}

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

.panel-top,
.panel-grid,
.panel-log,
.route-map {
  position: relative;
  z-index: 1;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
  border-bottom: 1px solid rgb(169 190 201 / 0.54);
}

.panel-top strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
}

.panel-label,
.panel-grid span,
.meter-row span,
.document-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid rgb(32 145 104 / 0.28);
  border-radius: 999px;
  color: oklch(0.33 0.11 165);
  background: oklch(0.94 0.055 165);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 5px rgb(35 158 112 / 0.12);
}

.route-map {
  display: grid;
  grid-template-columns: 1fr 64px 1fr 64px 1fr;
  align-items: center;
  gap: 0;
  padding: 30px 24px 18px;
}

.node {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 78px;
  place-items: center;
  border: 1px solid rgb(130 163 180 / 0.52);
  border-radius: 14px;
  color: var(--ink);
  background: white;
  font-weight: 850;
  text-align: center;
}

.node::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 20%, rgb(255 255 255 / 0.48) 50%, transparent 76%);
  transform: translateX(-120%);
  animation: nodeSheen 4.8s ease-in-out infinite;
}

.node.hub {
  gap: 4px;
  justify-items: center;
  padding: 9px 10px;
  color: white;
  background: var(--accent-dark);
  box-shadow:
    0 22px 46px rgb(21 94 128 / 0.28),
    0 0 0 7px rgb(43 180 205 / 0.08);
  font-size: 13px;
  line-height: 1.1;
}

.node.hub img {
  position: relative;
  z-index: 1;
  width: 66px;
  height: 42px;
  padding: 0;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  filter:
    drop-shadow(0 1px 0 rgb(255 255 255 / 0.82))
    drop-shadow(0 5px 12px rgb(0 0 0 / 0.22));
}

.node.hub span {
  position: relative;
  z-index: 1;
}

.line {
  position: relative;
  overflow: hidden;
  height: 2px;
  background: linear-gradient(90deg, rgb(40 117 151 / 0.22), var(--accent), rgb(40 117 151 / 0.22));
}

.line::after {
  content: "";
  position: absolute;
  inset: -2px;
  width: 42%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.95), transparent);
  filter: blur(1px);
  transform: translateX(-120%);
  animation: dataFlow 2.4s ease-in-out infinite;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 8px 24px 24px;
  overflow: hidden;
  border: 1px solid rgb(169 190 201 / 0.54);
  border-radius: 14px;
  background: rgb(169 190 201 / 0.54);
}

.panel-grid div {
  display: grid;
  gap: 4px;
  min-height: 96px;
  padding: 18px;
  background: rgb(255 255 255 / 0.86);
}

.panel-grid strong {
  font-size: 17px;
}

.panel-log {
  display: grid;
  gap: 8px;
  margin: 0 24px 24px;
  padding: 16px;
  border-radius: 14px;
  color: oklch(0.88 0.026 205);
  background: oklch(0.21 0.035 230);
  font-family: Consolas, "SFMono-Regular", "Microsoft YaHei UI", monospace;
  font-size: 13px;
}

.panel-log p {
  display: flex;
  gap: 10px;
  margin: 0;
  color: inherit;
  white-space: nowrap;
  animation: logPulse 5.4s ease-in-out infinite;
}

.panel-log p:nth-child(2) {
  animation-delay: 0.55s;
}

.panel-log p:nth-child(3) {
  animation-delay: 1.1s;
}

.panel-log span {
  color: oklch(0.77 0.12 165);
  font-weight: 800;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(calc(100% - 32px), var(--max));
  margin: -18px auto 0;
  overflow: hidden;
  border: 1px solid rgb(139 177 195 / 0.34);
  border-radius: 18px;
  background: rgb(255 255 255 / 0.72);
  backdrop-filter: blur(16px);
  box-shadow: 0 22px 60px rgb(35 76 98 / 0.09);
}

.trust-strip div {
  position: relative;
  display: grid;
  gap: 4px;
  min-height: 116px;
  padding: 25px;
  border-right: 1px solid rgb(139 177 195 / 0.28);
}

.trust-strip div::before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 20px rgb(37 166 199 / 0.4);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong {
  font-size: 18px;
}

.trust-strip span {
  color: var(--muted);
  font-size: 14px;
}

.model-section,
.delivery-section,
.assurance-section {
  padding: clamp(84px, 11vw, 130px) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading p:not(.section-kicker),
.capacity-copy p,
.contract-copy p,
.contact-card > div > p {
  max-width: 68ch;
  margin-bottom: 0;
}

.model-layout {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.model-card {
  position: relative;
  overflow: hidden;
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  min-height: 248px;
  padding: 26px;
  border: 1px solid rgb(140 174 190 / 0.34);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.98), rgb(240 250 253 / 0.78)),
    white;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.model-card::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -52px;
  width: 124px;
  height: 124px;
  border: 1px solid rgb(37 151 187 / 0.16);
  border-radius: 999px;
  box-shadow: inset 0 0 38px rgb(37 151 187 / 0.06);
}

.model-card:hover {
  transform: translateY(-5px);
  border-color: rgb(48 123 153 / 0.38);
  box-shadow: 0 24px 54px rgb(31 76 101 / 0.13);
}

.model-card.wide {
  grid-column: span 4;
  min-height: 206px;
  background:
    linear-gradient(135deg, rgb(213 246 251 / 0.9), rgb(255 255 255 / 0.96) 48%),
    white;
}

.model-card:nth-child(2) {
  margin-top: 18px;
}

.model-card:nth-child(2):hover {
  transform: translateY(-5px);
}

.model-card:nth-child(4) {
  grid-column: span 3;
}

.model-card:nth-child(5) {
  grid-column: span 3;
}

.card-tag {
  width: fit-content;
  margin-bottom: 30px;
  padding: 5px 9px;
  border: 1px solid rgb(37 117 151 / 0.2);
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 800;
}

.model-card p {
  margin-bottom: 0;
}

.capacity-section {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 10vw, 120px) 0;
  background:
    radial-gradient(circle at 84% 20%, rgb(33 181 204 / 0.22), transparent 30%),
    linear-gradient(135deg, oklch(0.25 0.045 225), oklch(0.15 0.04 232));
  color: white;
}

.capacity-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgb(255 255 255 / 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 0.055) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, transparent, black 22%, black 80%, transparent);
}

.capacity-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  margin-bottom: 34px;
}

.capacity-section .section-kicker {
  color: oklch(0.78 0.11 190);
}

.capacity-section p {
  color: oklch(0.78 0.027 220);
}

.capacity-board {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgb(255 255 255 / 0.14);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.08), rgb(255 255 255 / 0.03)),
    rgb(255 255 255 / 0.03);
}

.meter-row {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgb(255 255 255 / 0.12);
  border-radius: 14px;
  background: rgb(255 255 255 / 0.04);
}

.meter-row strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
}

.meter {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgb(255 255 255 / 0.12);
}

.meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, oklch(0.78 0.12 184), oklch(0.68 0.14 205));
  transform-origin: left center;
  animation: meterLoad 1.2s cubic-bezier(0.22, 1, 0.36, 1) both, meterGlow 3.6s ease-in-out infinite;
}

.capability-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.capability-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 16px;
  padding: 22px;
  border: 1px solid rgb(255 255 255 / 0.14);
  border-radius: 14px;
  background: rgb(255 255 255 / 0.045);
}

.capability-list span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  color: var(--ink);
  background: oklch(0.8 0.1 190);
  font-weight: 850;
}

.capability-list h3,
.capability-list p {
  grid-column: 2;
  margin-bottom: 0;
}

.capability-list h3 {
  margin-top: 2px;
}

.contract-section {
  padding: clamp(86px, 10vw, 124px) 0 0;
}

.contract-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.72fr);
  gap: clamp(26px, 6vw, 64px);
  align-items: center;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 0% 0%, rgb(40 180 205 / 0.16), transparent 34%),
    linear-gradient(135deg, rgb(229 246 250 / 0.82), rgb(255 255 255 / 0.96) 46%),
    white;
  box-shadow: 0 28px 80px rgb(31 76 101 / 0.12);
}

.contract-card::after {
  content: "YHSHU";
  position: absolute;
  right: clamp(24px, 5vw, 58px);
  bottom: -30px;
  color: rgb(18 83 116 / 0.045);
  font-size: clamp(64px, 11vw, 148px);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.document-stack {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.document-card {
  padding: 20px;
  border: 1px solid rgb(135 168 184 / 0.36);
  border-radius: 16px;
  background: rgb(255 255 255 / 0.86);
}

.document-card strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.document-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

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

.timeline-item {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(90deg, rgb(231 247 251 / 0.7), white 28%),
    white;
  transition: transform 190ms ease, box-shadow 190ms ease, border-color 190ms ease;
}

.timeline-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgb(39 166 199 / 0.08), transparent);
  transform: translateX(-100%);
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-item:hover {
  transform: translateX(5px);
  border-color: rgb(48 123 153 / 0.34);
  box-shadow: 0 18px 42px rgb(31 76 101 / 0.09);
}

.timeline-item:hover::after {
  transform: translateX(100%);
}

.timeline-item span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: white;
  background: var(--accent-dark);
  font-weight: 850;
}

.timeline-item p {
  margin-bottom: 0;
}

.assurance-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.64fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.assurance-copy {
  position: sticky;
  top: 110px;
}

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

.assurance-grid article {
  position: relative;
  overflow: hidden;
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgb(140 174 190 / 0.34);
  border-radius: 18px;
  background: white;
}

.assurance-grid article:nth-child(2),
.assurance-grid article:nth-child(3) {
  background:
    radial-gradient(circle at 100% 0%, rgb(40 180 205 / 0.12), transparent 40%),
    white;
}

.assurance-grid article::before {
  content: "";
  display: block;
  width: 32px;
  height: 4px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: var(--accent);
}

.assurance-grid p {
  margin-bottom: 0;
}

.contact-section {
  padding: clamp(86px, 10vw, 124px) 0;
  background:
    radial-gradient(circle at 18% 28%, rgb(39 166 199 / 0.14), transparent 30%),
    linear-gradient(180deg, transparent, rgb(228 241 246 / 0.72));
}

.contact-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.72fr);
  gap: clamp(28px, 7vw, 82px);
  align-items: start;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid rgb(120 158 176 / 0.4);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.98), rgb(233 249 252 / 0.82)),
    oklch(0.995 0.002 205);
  box-shadow: var(--shadow);
}

.contact-card::before {
  content: "";
  position: absolute;
  left: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  border: 1px solid rgb(39 166 199 / 0.18);
  box-shadow: inset 0 0 60px rgb(39 166 199 / 0.08);
}

.contact-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.direct-contact {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin-top: 26px;
}

.direct-contact a,
.direct-contact div {
  display: grid;
  gap: 4px;
  min-height: 82px;
  padding: 16px;
  border: 1px solid rgb(120 158 176 / 0.34);
  border-radius: 16px;
  background: rgb(255 255 255 / 0.66);
  box-shadow: 0 14px 32px rgb(31 76 101 / 0.08);
}

.direct-contact span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.direct-contact strong {
  color: var(--accent-deep);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.25;
  word-break: break-all;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 800;
}

.contact-form label span {
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgb(132 164 180 / 0.62);
  border-radius: 14px;
  color: var(--ink);
  background: white;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form input {
  min-height: 48px;
  padding: 0 14px;
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
  padding: 13px 14px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: oklch(0.48 0.026 225);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgb(38 123 158 / 0.14);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 28px 0 36px;
  color: var(--muted);
}

.site-footer div {
  display: grid;
  gap: 2px;
}

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

.site-footer a {
  font-weight: 800;
}

.summary-dialog {
  width: min(560px, calc(100% - 28px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: white;
  box-shadow: 0 28px 90px rgb(18 35 47 / 0.26);
}

.summary-dialog::backdrop {
  background: rgb(15 30 42 / 0.38);
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.dialog-header button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  font-size: 24px;
  line-height: 1;
}

.summary-dialog textarea {
  width: calc(100% - 40px);
  margin: 20px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface-2);
  resize: vertical;
}

.summary-dialog .button {
  width: calc(100% - 40px);
  margin: 0 20px 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(8px);
  transition: opacity 620ms ease, transform 620ms ease, filter 620ms ease;
}

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

@keyframes ambientShift {
  from {
    transform: translate3d(-1%, -1%, 0) scale(1);
  }
  to {
    transform: translate3d(1.5%, 1%, 0) scale(1.04);
  }
}

@keyframes logoSheen {
  0%,
  62% {
    transform: translateX(-78%) rotate(8deg);
  }
  82%,
  100% {
    transform: translateX(82%) rotate(8deg);
  }
}

@keyframes orbitDrift {
  from {
    transform: rotate(0deg) translate3d(0, 0, 0);
  }
  to {
    transform: rotate(360deg) translate3d(0, 0, 0);
  }
}

@keyframes ringRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes nodePulse {
  0%,
  100% {
    transform: scale(0.9);
    opacity: 0.52;
  }
  50% {
    transform: scale(1.18);
    opacity: 1;
  }
}

@keyframes scanPass {
  0%,
  38% {
    opacity: 0;
    transform: translateX(-84%);
  }
  48% {
    opacity: 0.72;
  }
  72% {
    opacity: 0.42;
  }
  100% {
    opacity: 0;
    transform: translateX(84%);
  }
}

@keyframes floatChip {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

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

@keyframes gridSlide {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 120px 0, 0 72px;
  }
}

@keyframes panelScan {
  0%,
  52% {
    opacity: 0;
    transform: translateY(-92%);
  }
  62% {
    opacity: 0.86;
  }
  78% {
    opacity: 0.38;
  }
  100% {
    opacity: 0;
    transform: translateY(92%);
  }
}

@keyframes signalBlink {
  0%,
  100% {
    opacity: 0.32;
    transform: translateY(0);
  }
  45% {
    opacity: 1;
    transform: translateY(-2px);
  }
}

@keyframes nodeSheen {
  0%,
  62% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(120%);
  }
}

@keyframes dataFlow {
  0%,
  24% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(260%);
  }
}

@keyframes logPulse {
  0%,
  100% {
    opacity: 0.76;
  }
  45% {
    opacity: 1;
  }
}

@keyframes meterLoad {
  from {
    transform: scaleX(0.24);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes meterGlow {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.18);
  }
}

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

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

  .flow-canvas {
    display: none;
  }
}

@media (max-width: 1040px) {
  .site-header {
    width: 100%;
    padding-inline: 18px;
  }

  .hero,
  .capacity-grid,
  .contract-card,
  .contact-card,
  .assurance-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .gateway-panel {
    max-width: 680px;
  }

  .hero-tech-field {
    mask-image: linear-gradient(180deg, transparent 0%, black 18%, transparent 100%);
  }

  .model-card,
  .model-card.wide {
    grid-column: span 3;
  }

  .model-card:nth-child(2),
  .model-card:nth-child(2):hover {
    margin-top: 0;
    transform: none;
  }

  .assurance-copy {
    position: static;
  }
}

@media (max-width: 820px) {
  .menu-button {
    display: block;
  }

  .site-header {
    flex-wrap: wrap;
    padding-inline: 14px;
  }

  .site-nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px 0 4px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    justify-content: flex-start;
    min-height: 46px;
    padding: 0 14px;
    border-radius: 14px;
  }

  .trust-strip,
  .capability-list,
  .assurance-grid {
    grid-template-columns: 1fr 1fr;
  }

  .trust-strip div:nth-child(2) {
    border-right: 0;
  }

  .trust-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .model-layout {
    grid-template-columns: 1fr;
  }

  .model-card,
  .model-card.wide {
    grid-column: auto;
    min-height: auto;
  }

  .model-card:nth-child(4),
  .model-card:nth-child(5) {
    grid-column: auto;
  }

  .capacity-grid {
    margin-bottom: 20px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .section-shell,
  .trust-strip,
  .site-footer {
    width: min(calc(100% - 22px), var(--max));
  }

  .site-header {
    min-height: 62px;
  }

  .brand-text span {
    display: none;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo {
    width: 48px;
    height: 38px;
  }

  .brand-logo img {
    width: 48px;
    height: 38px;
  }

  .brand-text strong {
    font-size: 17px;
    line-height: 1.06;
  }

  .hero {
    padding: 28px 0 52px;
  }

  h1 {
    max-width: 360px;
    font-size: clamp(30px, 8.8vw, 38px);
    line-height: 1.16;
  }

  h2 {
    font-size: clamp(28px, 9vw, 38px);
  }

  .hero-actions,
  .hero-actions .button,
  .contact-form .button {
    width: 100%;
  }

  .hero-proof {
    gap: 7px;
  }

  .hero-capability {
    gap: 8px;
    margin-bottom: 24px;
  }

  .hero-capability span,
  .hero-capability a {
    min-height: 32px;
    font-size: 12px;
  }

  .hero-capability span {
    display: none;
  }

  .hero-proof span {
    flex: 1 1 auto;
    justify-content: center;
  }

  .route-map {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .line {
    width: 2px;
    height: 22px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgb(40 117 151 / 0.22), var(--accent), rgb(40 117 151 / 0.22));
  }

  .line::after {
    width: auto;
    height: 42%;
    transform: translateY(-120%);
    animation-name: dataFlowVertical;
  }

  @keyframes dataFlowVertical {
    0%,
    24% {
      transform: translateY(-140%);
    }
    100% {
      transform: translateY(260%);
    }
  }

  .panel-grid,
  .trust-strip,
  .capability-list,
  .direct-contact,
  .assurance-grid {
    grid-template-columns: 1fr;
  }

  .panel-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .trust-strip div {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }

  .capability-list article {
    grid-template-columns: 1fr;
  }

  .capability-list h3,
  .capability-list p {
    grid-column: auto;
  }

  .contract-card,
  .contact-card {
    padding: 24px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .panel-log {
    font-size: 12px;
  }

  .panel-log p {
    white-space: normal;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}