:root {
  --ink: #17212f;
  --muted: #5c6877;
  --line: #dce3ea;
  --soft: #f4f7fa;
  --paper: #ffffff;
  --brand: #126f83;
  --brand-dark: #0b4f62;
  --accent: #d95f2b;
  --gold: #d79a24;
  --shadow: 0 18px 48px rgba(23, 33, 47, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  min-width: 320px;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

svg {
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid rgba(217, 95, 43, 0.65);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: var(--brand-dark);
  border-radius: 8px;
  font-size: 13px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  min-width: 0;
}

.nav a:hover,
.footer a:hover {
  color: var(--brand);
}

.nav a {
  flex: 0 0 auto;
  white-space: nowrap;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
  max-width: 100%;
  text-align: center;
}

.nav-cta,
.button.primary {
  color: #fff;
  background: var(--brand);
}

.button.secondary {
  color: var(--brand-dark);
  background: #fff;
  border-color: #b9c8d2;
}

.hero {
  position: relative;
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(56px, 8vw, 112px) clamp(18px, 5vw, 72px);
  background: #111c28;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 60px;
  background: linear-gradient(180deg, rgba(17, 28, 40, 0), rgba(17, 28, 40, 0.25));
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 28, 40, 0.92) 0%, rgba(17, 28, 40, 0.78) 45%, rgba(17, 28, 40, 0.5) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 80px),
    linear-gradient(135deg, #193348, #2f4f58 48%, #9f7044);
}

.factory-scene {
  position: absolute;
  right: clamp(12px, 8vw, 120px);
  bottom: 0;
  width: min(47vw, 620px);
  height: min(62vh, 520px);
  opacity: 0.78;
}

.building {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 76%;
  height: 42%;
  background: #d8e3e9;
  clip-path: polygon(0 30%, 18% 30%, 18% 12%, 32% 12%, 32% 30%, 100% 30%, 100% 100%, 0 100%);
}

.building span {
  display: block;
  float: left;
  width: 15%;
  height: 24%;
  margin: 18% 4% 0 5%;
  background: #577281;
}

.roof {
  position: absolute;
  right: 8%;
  bottom: 42%;
  width: 62%;
  height: 16%;
  background: var(--accent);
  clip-path: polygon(0 100%, 14% 35%, 32% 100%, 48% 35%, 66% 100%, 82% 35%, 100% 100%);
}

.beam {
  position: absolute;
  right: 36%;
  bottom: 44%;
  width: 16%;
  height: 42%;
  border-left: 12px solid rgba(255, 255, 255, 0.24);
  transform: skewX(-12deg);
}

.clipboard {
  position: absolute;
  left: 4%;
  bottom: 8%;
  width: 28%;
  height: 48%;
  padding: 18% 8% 0;
  background: #f2f5f6;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.clipboard::before {
  content: "";
  position: absolute;
  left: 34%;
  top: -6%;
  width: 32%;
  height: 12%;
  border-radius: 6px 6px 0 0;
  background: var(--gold);
}

.clipboard i {
  display: block;
  height: 8%;
  margin-bottom: 16%;
  background: #7e8e99;
  border-radius: 3px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  color: #fff;
}

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 10px;
  font-size: 21px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

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

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 720px;
  margin: 44px 0 0;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  overflow: hidden;
}

.proof-strip div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.09);
}

.proof-strip dt {
  font-weight: 800;
}

.proof-strip dd {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.coverage-band,
.section,
.process-band,
.contact-band {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 72px);
}

.coverage-band {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
  background: var(--soft);
}

.section-copy {
  max-width: 650px;
}

.section-copy p,
.section-heading p,
.contact-copy p {
  color: var(--muted);
  font-size: 17px;
}

.coverage-points,
.audience-grid,
.report-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.coverage-points span,
.audience-grid span,
.report-list span {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
}

.map-card {
  min-height: 430px;
  padding: clamp(14px, 3vw, 28px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.china-map {
  display: block;
  width: 100%;
  height: auto;
}

.map-shape {
  fill: #e5edf2;
  stroke: #b4c4cf;
  stroke-width: 4;
}

.route {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 8 9;
  opacity: 0.78;
}

.city circle {
  fill: var(--brand);
  stroke: #fff;
  stroke-width: 4;
}

.city text {
  fill: #263443;
  font-size: 21px;
  font-weight: 800;
}

.city.hub circle {
  fill: var(--accent);
}

.city.hub text {
  fill: var(--accent);
  font-size: 25px;
}

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

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 260px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.card-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #fff;
  background: var(--brand-dark);
  border-radius: 8px;
  font-weight: 800;
}

.process-band {
  background: #17212f;
  color: #fff;
}

.process-band .section-heading p {
  color: rgba(255,255,255,0.76);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list li {
  min-height: 188px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.17);
  border-radius: 8px;
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.86);
}

.process-list span {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-weight: 800;
}

.report-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
}

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

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

.audience-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.8fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  color: #fff;
  background: var(--brand-dark);
}

.page-hero {
  padding: clamp(64px, 10vw, 118px) clamp(18px, 5vw, 72px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(17, 28, 40, 0.94), rgba(17, 28, 40, 0.78)),
    linear-gradient(135deg, #173348, #126f83 58%, #d95f2b);
}

.page-hero h1 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.02;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255,255,255,0.86);
  font-size: 19px;
}

.two-column-page,
.report-page {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
}

.legal-content {
  max-width: 900px;
}

.legal-content h2 {
  margin-top: 32px;
  font-size: 28px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: var(--muted);
  font-size: 17px;
}

.legal-content a {
  color: var(--brand);
  font-weight: 800;
}

.contact-copy {
  max-width: 700px;
}

.contact-copy p {
  color: rgba(255,255,255,0.82);
}

.contact-panel {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: clamp(20px, 4vw, 34px);
  color: var(--ink);
  background: #fff;
  border-radius: 8px;
}

.contact-panel h3 {
  margin: 0;
}

.contact-panel p {
  margin: 0;
  color: var(--muted);
}

.contact-panel .button {
  width: fit-content;
}

.text-link {
  color: var(--brand);
  font-weight: 800;
  width: fit-content;
}

.section,
.coverage-band,
.process-band,
.contact-band,
.page-hero {
  content-visibility: auto;
  contain-intrinsic-size: 1px 780px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

@media (max-width: 1100px) {
  .coverage-band,
  .report-section,
  .contact-band,
  .two-column-page,
  .report-page {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    min-height: 0;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 16px;
    padding: 2px 0 8px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .nav-cta {
    padding: 0 14px;
  }

  .hero {
    min-height: auto;
    padding-top: 70px;
    padding-bottom: 74px;
  }

  .factory-scene {
    width: 80vw;
    height: 360px;
    opacity: 0.38;
  }

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

  .proof-strip,
  .report-list,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .coverage-band,
  .section,
  .process-band,
  .contact-band {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .city text {
    font-size: 17px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand {
    gap: 9px;
    font-size: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .nav-cta {
    min-height: 38px;
    font-size: 13px;
  }

  .hero,
  .page-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1,
  .page-hero h1 {
    font-size: 39px;
    line-height: 1.04;
  }

  h2 {
    font-size: 29px;
  }

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

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

  .proof-strip div,
  .service-card,
  .process-list li,
  .contact-panel {
    padding: 18px;
  }

  .map-card {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .china-map {
    min-width: 560px;
  }

  .footer {
    display: grid;
  }
}

@media (max-width: 390px) {
  h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .hero-copy,
  .page-hero p:not(.eyebrow),
  .section-copy p,
  .section-heading p,
  .contact-copy p {
    font-size: 16px;
  }

  .nav {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}