:root {
  color-scheme: light;
  --ink: #161c2d;
  --muted: #667085;
  --line: #d8dee8;
  --surface: #ffffff;
  --surface-soft: #f5f7fa;
  --surface-warm: #fbfaf7;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --blue: #2454a6;
  --gold: #bd8b2f;
  --charcoal: #151a24;
  --shadow: 0 22px 60px rgba(22, 28, 45, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(20px, 5vw, 76px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 222, 232, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  border-radius: 8px;
  font-size: 22px;
  font-weight: 800;
}

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

.brand strong {
  font-size: 16px;
  line-height: 1.25;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.nav a {
  padding: 8px 11px;
  color: #364152;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
}

.nav a:hover {
  color: var(--teal-dark);
  background: #e8f5f2;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.82fr);
  gap: clamp(36px, 6vw, 82px);
  align-items: center;
  min-height: 76vh;
  padding: 92px clamp(20px, 5vw, 76px) 112px;
  overflow: hidden;
  background:
    linear-gradient(120deg, #fbfaf7 0%, #ffffff 42%, #edf7f5 100%);
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(36, 84, 166, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 18%, #000 72%, transparent 100%);
}

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

.hero-inner {
  width: min(780px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.08;
  font-weight: 850;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.18;
  font-weight: 800;
}

h3 {
  line-height: 1.3;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 32px;
  color: #344054;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 800;
}

.primary-link {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.22);
}

.primary-link:hover {
  background: var(--teal-dark);
}

.secondary-link {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.secondary-link:hover {
  border-color: var(--teal);
}

.hero-visual {
  min-height: 460px;
  padding: 26px;
  color: #eef7f5;
  background:
    linear-gradient(145deg, rgba(21, 26, 36, 0.98), rgba(23, 45, 55, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.visual-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.visual-topline span {
  color: #b9d5cf;
  font-size: 13px;
  font-weight: 800;
}

.visual-topline strong {
  color: #fff;
  font-size: 48px;
  line-height: 1;
}

.signal-map {
  position: relative;
  height: 218px;
  margin: 24px 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  overflow: hidden;
}

.signal-map::before,
.signal-map::after {
  content: "";
  position: absolute;
  inset: 32px;
  border-radius: 50%;
  border: 1px solid rgba(120, 213, 199, 0.26);
}

.signal-map::after {
  inset: 68px;
  border-color: rgba(189, 139, 47, 0.4);
}

.signal-map span {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #78d5c7;
  box-shadow: 0 0 0 8px rgba(120, 213, 199, 0.13);
}

.signal-map span:nth-child(1) {
  left: 16%;
  top: 26%;
}

.signal-map span:nth-child(2) {
  left: 38%;
  top: 52%;
  background: var(--gold);
  box-shadow: 0 0 0 8px rgba(189, 139, 47, 0.16);
}

.signal-map span:nth-child(3) {
  left: 62%;
  top: 34%;
}

.signal-map span:nth-child(4) {
  left: 78%;
  top: 64%;
  background: #8fb6ff;
  box-shadow: 0 0 0 8px rgba(143, 182, 255, 0.14);
}

.signal-map span:nth-child(5) {
  left: 24%;
  top: 72%;
}

.signal-map span:nth-child(6) {
  left: 86%;
  top: 18%;
  background: var(--gold);
  box-shadow: 0 0 0 8px rgba(189, 139, 47, 0.16);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.visual-grid div {
  min-height: 86px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.visual-grid span {
  display: block;
  color: #aac6c0;
  font-size: 12px;
  font-weight: 800;
}

.visual-grid strong {
  display: block;
  margin-top: 8px;
  color: #fff;
  font-size: 18px;
}

.quick-facts {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1180px;
  margin: -46px auto 0;
  padding: 0 clamp(20px, 5vw, 32px);
}

.fact {
  min-height: 118px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.fact span,
.contact-list span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.fact strong {
  display: block;
  margin-top: 8px;
  font-size: 21px;
  line-height: 1.35;
}

.section {
  padding: 96px clamp(20px, 5vw, 76px);
}

.section-muted {
  background: var(--surface-soft);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-head.align-left {
  margin-left: 0;
  text-align: left;
}

.section-head p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.capability-section {
  background:
    linear-gradient(180deg, #ffffff 0%, var(--surface-warm) 100%);
}

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

.capability-item,
.service-card,
.contact-list div,
.registry-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.capability-item {
  min-height: 238px;
  padding: 28px;
  box-shadow: 0 16px 42px rgba(22, 28, 45, 0.07);
}

.capability-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-weight: 800;
}

.capability-item:nth-child(2) span,
.capability-item:nth-child(5) span {
  background: var(--gold);
}

.capability-item:nth-child(3) span,
.capability-item:nth-child(6) span {
  background: var(--blue);
}

.capability-item h3 {
  margin: 20px 0 10px;
  font-size: 21px;
}

.capability-item p,
.service-card p,
.registry-note p,
.process-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.service-card {
  min-height: 238px;
  padding: 28px;
  border-top: 4px solid var(--teal);
}

.service-card:nth-child(2) {
  border-top-color: var(--gold);
}

.service-card:nth-child(3) {
  border-top-color: var(--blue);
}

.service-card:nth-child(4) {
  border-top-color: #667085;
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.section-dark {
  color: #f8fafc;
  background:
    linear-gradient(135deg, var(--charcoal) 0%, #1f2a2e 100%);
}

.section-dark .eyebrow {
  color: #8bd7ca;
}

.section-dark .section-head p:not(.eyebrow),
.section-dark .process-list p {
  color: #c9d4dc;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  overflow: hidden;
}

.process-list article {
  min-height: 220px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.045);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.process-list article:last-child {
  border-right: 0;
}

.process-list span {
  color: var(--gold);
  font-weight: 900;
}

.process-list h3 {
  margin: 18px 0 10px;
  font-size: 21px;
}

.company-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 42px;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
}

.info-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.info-list div {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.info-list dt {
  color: var(--muted);
  font-weight: 800;
}

.info-list dd {
  margin: 0;
  font-weight: 800;
}

.registry-note {
  padding: 28px;
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow);
}

.registry-note h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.contact-section {
  background: #fff;
}

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

.contact-list div {
  min-height: 126px;
  padding: 26px;
  background: var(--surface-soft);
}

.contact-list strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 26px clamp(20px, 5vw, 76px);
  color: #c9d4dc;
  background: #10141d;
  font-size: 14px;
}

.site-footer a {
  color: #dce6ea;
}

.site-footer a:hover {
  color: #fff;
}

@media (max-width: 1100px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .company-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 390px;
  }

  .quick-facts,
  .capability-grid,
  .service-grid,
  .contact-list {
    grid-template-columns: 1fr;
  }

  .quick-facts {
    margin-top: 0;
  }

  .capability-item,
  .service-card {
    min-height: auto;
  }

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

  .process-list article:nth-child(2) {
    border-right: 0;
  }

  .process-list article:nth-child(1),
  .process-list article:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
    padding: 12px 18px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand small {
    display: none;
  }

  .nav a {
    padding: 7px 8px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding: 58px 20px 70px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-visual {
    min-height: auto;
    padding: 18px;
  }

  .visual-topline strong {
    font-size: 36px;
  }

  .signal-map {
    height: 172px;
  }

  .visual-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .process-list article:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 66px 20px;
  }

  .fact,
  .contact-list div,
  .service-card,
  .capability-item,
  .registry-note {
    padding: 22px;
  }

  .info-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}