:root {
  --paper: #f5f2ea;
  --paper-2: #ebe7dc;
  --ink: #171b1b;
  --muted: #68706c;
  --line: rgba(23, 27, 27, .12);
  --deep: #12201f;
  --deep-2: #0d1717;
  --green: #0f7f73;
  --green-dark: #075d55;
  --gold: #b8945f;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(20, 25, 24, .14);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(15, 127, 115, .4);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 16px clamp(18px, 4vw, 52px);
  color: var(--white);
  transition: background .24s ease, border-color .24s ease, color .24s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(245, 242, 234, .92);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

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

.brand small {
  margin-top: 3px;
  font-size: 11px;
  opacity: .72;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}

.site-nav a {
  opacity: .82;
}

.site-nav a:hover {
  opacity: 1;
}

.site-nav a:focus-visible {
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--deep);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 15, 15, .92) 0%, rgba(7, 15, 15, .64) 46%, rgba(7, 15, 15, .18) 100%),
    linear-gradient(180deg, rgba(7, 15, 15, .35) 0%, rgba(7, 15, 15, .88) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 150px 0 54px;
}

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

.section-dark .eyebrow {
  color: #9ee2d5;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 88px);
  line-height: 1.02;
  font-weight: 700;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.08;
  font-weight: 650;
}

h3 {
  font-size: 21px;
  line-height: 1.22;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, .78);
  font-size: 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

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

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-secondary {
  border-color: rgba(255, 255, 255, .38);
  color: var(--white);
  background: rgba(255, 255, 255, .08);
}

.btn-secondary.light {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, .48);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 860px;
  margin: 54px 0 0;
  padding: 0;
  background: rgba(255, 255, 255, .2);
  border: 1px solid rgba(255, 255, 255, .2);
}

.hero-stats div {
  padding: 18px;
  background: rgba(12, 20, 20, .46);
  backdrop-filter: blur(16px);
}

.hero-stats dt {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, .7);
  font-size: 13px;
}

.intro-band {
  width: min(var(--max), calc(100% - 40px));
  margin: -28px auto 0;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 28px;
  align-items: center;
  padding: 22px 26px;
  background: rgba(255, 255, 255, .84);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.intro-text span {
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.intro-text p {
  margin: 4px 0 0;
  font-size: 19px;
  font-weight: 650;
}

.intro-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.intro-tags span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  background: var(--paper);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
}

.section-muted {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100vw - var(--max)) / 2));
  padding-right: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--paper-2);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-heading p:not(.eyebrow),
.factory-content > p,
.contact-copy > p {
  color: var(--muted);
  font-size: 17px;
}

.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .8fr);
  gap: 40px;
  align-items: end;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  grid-auto-rows: minmax(260px, 340px);
  gap: 16px;
}

.case-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  border-radius: var(--radius);
  background: #d8d4c9;
}

.case-card-large {
  grid-row: span 2;
}

.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 36%, rgba(8, 13, 13, .78) 100%);
}

.case-card img,
.structure-item img,
.craft-hero img,
.factory-media img,
.workflow-panel img {
  transition: transform .6s ease;
}

.case-card:hover img,
.structure-item:hover img,
.craft-hero:hover img,
.factory-media:hover img,
.workflow-panel:hover img {
  transform: scale(1.035);
}

.case-content {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 20px;
  z-index: 1;
  color: var(--white);
}

.case-content span {
  display: inline-block;
  margin-bottom: 8px;
  color: #bdeee4;
  font-size: 12px;
  font-weight: 800;
}

.case-content h3 {
  margin-bottom: 8px;
}

.case-content p {
  max-width: 430px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, .74);
}

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

.structure-item {
  overflow: hidden;
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(23, 27, 27, .08);
  border-radius: var(--radius);
}

.structure-item img {
  height: 220px;
}

.structure-item h3,
.structure-item p {
  margin-left: 18px;
  margin-right: 18px;
}

.structure-item h3 {
  margin-top: 18px;
  margin-bottom: 8px;
}

.structure-item p {
  min-height: 72px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.craft-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr);
  gap: 18px;
  align-items: stretch;
}

.craft-hero {
  overflow: hidden;
  min-height: 570px;
  border-radius: var(--radius);
}

.craft-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.craft-chip {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 132px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .66);
}

.craft-chip img {
  height: 108px;
  border-radius: 6px;
}

.craft-chip h3 {
  margin-bottom: 6px;
}

.craft-chip p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.factory-section {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  gap: 56px;
  align-items: center;
}

.factory-media {
  overflow: hidden;
  min-height: 600px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 30px 0;
}

.data-grid div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .55);
}

.data-grid strong,
.data-grid span {
  display: block;
}

.data-grid strong {
  font-size: 25px;
}

.data-grid span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding-left: 26px;
  position: relative;
  color: #38403c;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.text-link {
  justify-self: end;
  color: var(--green-dark);
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.method-card {
  min-height: 260px;
  padding: 24px;
  border: 1px solid rgba(23, 27, 27, .09);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .62);
}

.method-card span {
  display: inline-flex;
  margin-bottom: 32px;
  color: var(--green);
  font-weight: 800;
}

.method-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.brief-panel {
  display: grid;
  grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
  gap: 24px;
  align-items: start;
  margin-top: 18px;
  padding: 26px;
  border: 1px solid rgba(23, 27, 27, .09);
  border-radius: var(--radius);
  background: #10201f;
  color: var(--white);
}

.brief-panel h3 {
  margin-bottom: 12px;
  font-size: 28px;
}

.brief-panel p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, .68);
}

.brief-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.brief-list li {
  min-height: 86px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 6px;
  color: rgba(255, 255, 255, .72);
  background: rgba(255, 255, 255, .06);
  font-size: 14px;
}

.brief-list span {
  display: block;
  margin-bottom: 6px;
  color: #aee7dc;
  font-weight: 800;
}

.workflow-panel {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, 1.05fr);
  gap: 28px;
  align-items: center;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(23, 27, 27, .09);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .65);
}

.workflow-panel img {
  height: 260px;
  border-radius: 6px;
}

.workflow-panel p {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(360px, 1fr);
  gap: 52px;
  align-items: center;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 32px 0 0;
}

.contact-list div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.contact-list dt {
  color: var(--muted);
  font-size: 13px;
}

.contact-list dd {
  margin: 0;
  font-weight: 700;
}

.map-panel {
  min-height: 520px;
  padding: 26px;
  color: var(--deep);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 68% 39%, rgba(15, 127, 115, .2), transparent 28%),
    linear-gradient(145deg, rgba(255, 255, 255, .86), rgba(226, 221, 207, .86));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.map-label {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.map-label strong,
.map-label span {
  display: block;
}

.map-label span {
  color: var(--muted);
  font-size: 13px;
}

.china-map {
  width: 100%;
  min-height: 330px;
  color: #19302d;
}

.china-map text {
  fill: var(--deep);
  font-size: 18px;
  font-weight: 800;
}

.map-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.map-note span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, .58);
  font-size: 13px;
  text-align: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 56px);
  color: rgba(255, 255, 255, .72);
  background: var(--deep-2);
}

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

.site-footer p {
  margin: 4px 0 0;
}

.geo-feed {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}

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

@media (max-width: 1020px) {
  .site-nav {
    gap: 16px;
  }

  .intro-band,
  .split-heading,
  .factory-section,
  .contact-section,
  .workflow-panel,
  .craft-layout {
    grid-template-columns: 1fr;
  }

  .featured-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-card-large {
    grid-column: span 2;
    grid-row: auto;
  }

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

  .factory-media,
  .craft-hero {
    min-height: 420px;
  }

  .text-link {
    justify-self: start;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 66px;
    padding: 12px 18px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    color: var(--ink);
    background: rgba(245, 242, 234, .96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 12px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-media::after {
    background:
      linear-gradient(180deg, rgba(7, 15, 15, .5) 0%, rgba(7, 15, 15, .9) 72%),
      linear-gradient(90deg, rgba(7, 15, 15, .85), rgba(7, 15, 15, .45));
  }

  .hero-inner {
    width: calc(100% - 32px);
    padding-top: 112px;
    padding-bottom: 38px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

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

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 34px;
  }

  .intro-band,
  .section {
    width: calc(100% - 32px);
  }

  .intro-band {
    padding: 18px;
  }

  .intro-tags {
    justify-content: flex-start;
  }

  .section {
    padding: 74px 0;
  }

  .section-muted {
    width: 100%;
    padding: 74px 16px;
  }

  .featured-grid,
  .structure-grid,
  .method-grid,
  .brief-panel,
  .data-grid,
  .map-note {
    grid-template-columns: 1fr;
  }

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

  .case-card-large {
    grid-column: auto;
  }

  .case-card {
    min-height: 330px;
  }

  .structure-item img {
    height: 260px;
  }

  .structure-item p {
    min-height: 0;
  }

  .craft-chip {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 12px;
  }

  .craft-chip img {
    height: 96px;
  }

  .factory-media,
  .craft-hero,
  .map-panel {
    min-height: auto;
  }

  .factory-media {
    height: 390px;
  }

  .craft-hero {
    height: 360px;
  }

  .workflow-panel img {
    height: 220px;
  }

  .contact-list div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .map-panel {
    padding: 18px;
  }

  .map-label,
  .site-footer {
    flex-direction: column;
  }

  .china-map {
    min-height: 260px;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 36px;
  }

  .btn {
    width: 100%;
  }

  .hero-stats dt {
    font-size: 22px;
  }

  .craft-chip {
    grid-template-columns: 1fr;
  }
}

/* Vanguard-inspired direction: cinematic, technical, packaging-specific. */
:root {
  --electric: #44d6c7;
  --electric-2: #c2a16a;
  --glass: rgba(255, 255, 255, .54);
  --balanced-paper: #f3efe6;
  --balanced-ink: #101514;
  --balanced-deep: #17211f;
}

.vanguard-hero {
  min-height: 100vh;
  align-items: center;
  color: var(--balanced-ink);
  background: var(--balanced-paper);
}

.vanguard-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(13, 25, 24, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 25, 24, .045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .7), rgba(0, 0, 0, .16));
}

.vanguard-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 0%, rgba(68, 214, 199, .13) 42%, rgba(194, 161, 106, .08) 48%, transparent 62%);
  animation: hero-scan 8s ease-in-out infinite;
}

.vanguard-hero .hero-media img {
  object-position: 66% 50%;
  filter: saturate(.84) contrast(.96) brightness(1.04);
  transform: scale(1.02);
}

.site-header {
  color: var(--balanced-ink);
}

.site-header.is-open {
  color: var(--white);
}

.vanguard-hero .hero-media::after {
  background:
    linear-gradient(90deg, rgba(243, 239, 230, .97) 0%, rgba(243, 239, 230, .9) 42%, rgba(243, 239, 230, .3) 72%, rgba(18, 28, 26, .2) 100%),
    linear-gradient(180deg, rgba(243, 239, 230, .18) 0%, rgba(16, 21, 20, .26) 100%);
}

.vanguard-hero .hero-inner {
  padding-top: 120px;
  padding-bottom: 72px;
}

.hero-kicker,
.hero-title,
.hero-copy,
.hero-actions,
.hero-stats {
  opacity: 0;
  animation: fade-up .82s ease-out forwards;
}

.hero-title {
  animation-delay: .14s;
}

.hero-copy {
  animation-delay: .28s;
}

.hero-actions {
  animation-delay: .42s;
}

.hero-stats {
  animation-delay: .56s;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid rgba(16, 21, 20, .12);
  border-radius: 999px;
  background: rgba(255, 255, 255, .62);
  color: rgba(16, 21, 20, .68);
  box-shadow: 0 14px 40px rgba(16, 21, 20, .08);
}

.hero-kicker span {
  color: var(--electric);
}

.hero-title {
  display: grid;
  gap: 0;
  max-width: 840px;
  margin-bottom: 24px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: clamp(48px, 7.2vw, 92px);
  line-height: .98;
  letter-spacing: 0;
  text-transform: none;
}

.hero-title span {
  position: relative;
  width: fit-content;
  color: rgba(16, 21, 20, .96);
  text-shadow: 0 18px 42px rgba(16, 21, 20, .1);
  transition: color .24s ease, text-shadow .24s ease, transform .24s ease;
}

.hero-title span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .09em;
  height: .08em;
  background: linear-gradient(90deg, var(--electric), var(--electric-2), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s ease;
}

.hero-title span:hover,
.section-heading h2:hover,
.case-content h3:hover,
.structure-item h3:hover,
.craft-chip h3:hover,
.method-card h3:hover,
.factory-content h2:hover,
.contact-copy h2:hover {
  color: var(--balanced-ink);
  text-shadow: 0 0 18px rgba(68, 214, 199, .18), 0 20px 44px rgba(16, 21, 20, .12);
}

.hero-title span:hover {
  transform: translateX(8px);
}

.hero-title span:hover::after {
  transform: scaleX(1);
}

.brand,
.site-nav a,
.btn,
.section-heading h2,
.case-content h3,
.structure-item h3,
.craft-chip h3,
.method-card h3,
.factory-content h2,
.contact-copy h2 {
  transition: color .24s ease, text-shadow .24s ease, transform .24s ease, border-color .24s ease, background .24s ease;
}

.site-nav a:hover,
.brand:hover {
  color: var(--electric);
  text-shadow: 0 0 18px rgba(68, 214, 199, .22);
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, .28) 45%, transparent 60%);
  transform: translateX(-120%);
  transition: transform .55s ease;
}

.btn:hover::after {
  transform: translateX(120%);
}

.btn-primary {
  background: #0f7f73;
  border-color: rgba(15, 127, 115, .18);
  box-shadow: 0 16px 38px rgba(15, 127, 115, .22);
}

.btn-primary:hover {
  background: #0a6259;
  border-color: rgba(68, 214, 199, .44);
}

.hero-stats {
  max-width: 760px;
  color: var(--balanced-ink);
  background: rgba(16, 21, 20, .12);
  border-color: rgba(16, 21, 20, .16);
  box-shadow: 0 24px 80px rgba(16, 21, 20, .12);
}

.hero-stats div {
  background: rgba(255, 255, 255, .54);
  backdrop-filter: blur(16px);
}

.hero-stats div:hover dt {
  color: #0f7f73;
  text-shadow: 0 0 22px rgba(68, 214, 199, .18);
}

.vanguard-hero .hero-copy {
  color: rgba(16, 21, 20, .72);
}

.vanguard-hero .btn-secondary {
  color: var(--balanced-ink);
  background: rgba(255, 255, 255, .54);
  border-color: rgba(16, 21, 20, .28);
}

.vanguard-hero .hero-stats dd {
  color: rgba(16, 21, 20, .56);
}

.intro-band,
.case-card,
.structure-item,
.craft-chip,
.craft-hero,
.factory-media,
.workflow-panel,
.method-card,
.brief-panel,
.map-panel {
  position: relative;
  overflow: hidden;
}

.intro-band::before,
.case-card::before,
.structure-item::before,
.craft-chip::before,
.craft-hero::before,
.factory-media::before,
.workflow-panel::before,
.method-card::before,
.brief-panel::before,
.map-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle 220px at var(--mx, 50%) var(--my, 50%), rgba(68, 214, 199, .16), transparent 62%),
    linear-gradient(135deg, rgba(68, 214, 199, .09), transparent 34%, rgba(194, 161, 106, .12));
  transition: opacity .24s ease;
}

.case-card:hover::before,
.structure-item:hover::before,
.craft-chip:hover::before,
.craft-hero:hover::before,
.factory-media:hover::before,
.workflow-panel:hover::before,
.method-card:hover::before,
.brief-panel:hover::before,
.intro-band:hover::before,
.map-panel:hover::before {
  opacity: 1;
}

.case-card,
.structure-item,
.craft-chip,
.method-card,
.brief-panel,
.workflow-panel {
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.case-card:hover,
.structure-item:hover,
.craft-chip:hover,
.method-card:hover,
.brief-panel:hover,
.workflow-panel:hover {
  transform: translateY(-5px);
  border-color: rgba(143, 245, 228, .34);
  box-shadow: 0 24px 70px rgba(8, 23, 21, .14), 0 0 0 1px rgba(68, 214, 199, .1);
}

.case-card img,
.structure-item img,
.craft-chip img,
.craft-hero img,
.factory-media img,
.workflow-panel img {
  filter: saturate(.96) contrast(1.02);
}

.case-card:hover img,
.structure-item:hover img,
.craft-chip:hover img,
.craft-hero:hover img,
.factory-media:hover img,
.workflow-panel:hover img {
  transform: scale(1.055);
  filter: saturate(1.08) contrast(1.08) brightness(.96);
}

.case-content,
.structure-item h3,
.structure-item p,
.craft-chip > div,
.method-card span,
.method-card h3,
.method-card p,
.brief-panel > *,
.workflow-panel > *,
.intro-band > *,
.map-panel > * {
  position: relative;
  z-index: 3;
}

.section-heading h2,
.factory-content h2,
.contact-copy h2 {
  width: fit-content;
}

.section-heading h2:hover,
.factory-content h2:hover,
.contact-copy h2:hover {
  transform: translateX(5px);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-scan {
  0%, 100% {
    opacity: .18;
    transform: translateX(-18%);
  }
  50% {
    opacity: .58;
    transform: translateX(18%);
  }
}

@media (max-width: 1020px) {
  .hero-title {
    font-size: 72px;
  }
}

@media (max-width: 760px) {
  .hero-title {
    font-size: 52px;
  }

  .vanguard-hero .hero-inner {
    padding-top: 116px;
    padding-bottom: 44px;
  }

  .site-header.is-open {
    color: var(--white);
    background: transparent;
    border-bottom-color: transparent;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    padding: 112px 28px 40px;
    color: var(--white);
    background: rgba(3, 8, 8, .96);
    border: 0;
    border-radius: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .32s ease, visibility .32s ease, transform .32s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    max-width: 320px;
    margin: 0 auto;
    padding: 14px 0;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.05;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .hero-title {
    font-size: 44px;
  }
}

/* Final color options for decision. */
.scheme-label {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.final-scheme-first {
  color: var(--white);
  background: #071412;
}

.final-scheme-first .hero-media img {
  object-position: center;
  filter: saturate(.96) contrast(1.12) brightness(.68);
}

.final-scheme-first .hero-media::after {
  background:
    linear-gradient(90deg, rgba(7, 20, 18, .94) 0%, rgba(7, 20, 18, .74) 44%, rgba(7, 20, 18, .24) 100%),
    radial-gradient(circle at 72% 32%, rgba(200, 168, 106, .25), transparent 30%),
    linear-gradient(180deg, rgba(7, 20, 18, .2) 0%, rgba(7, 20, 18, .94) 100%);
}

.final-scheme-first .scheme-label {
  color: #ffe8b6;
  background: rgba(200, 168, 106, .12);
  border: 1px solid rgba(200, 168, 106, .32);
}

.final-scheme-first .hero-kicker {
  color: rgba(255, 255, 255, .78);
  background: rgba(255, 255, 255, .07);
  border-color: rgba(255, 255, 255, .16);
}

.final-scheme-first .hero-title span {
  color: rgba(255, 255, 255, .98);
  text-shadow: 0 0 32px rgba(63, 224, 208, .12), 0 18px 60px rgba(0, 0, 0, .28);
}

.final-scheme-first .hero-title span::after {
  background: linear-gradient(90deg, #3fe0d0, #c8a86a, transparent);
}

.final-scheme-first .hero-copy {
  color: rgba(255, 255, 255, .74);
}

.final-scheme-first .btn-primary {
  background: #3fe0d0;
  color: #071412;
  border-color: rgba(63, 224, 208, .55);
  box-shadow: 0 18px 52px rgba(63, 224, 208, .2);
}

.final-scheme-first .btn-primary:hover {
  background: #9af7ed;
}

.final-scheme-first .btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .34);
}

.final-scheme-first .hero-stats {
  color: var(--white);
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .18);
}

.final-scheme-first .hero-stats div {
  background: rgba(7, 20, 18, .56);
}

.final-scheme-first .hero-stats dd {
  color: rgba(255, 255, 255, .62);
}

.final-scheme-skill {
  color: #141817;
  background: #f4efe6;
}

.final-scheme-skill .scheme-label {
  color: #0f7f73;
  background: rgba(255, 255, 255, .62);
  border: 1px solid rgba(15, 127, 115, .18);
}

.final-scheme-skill .hero-media img {
  object-position: 66% 50%;
  filter: saturate(.82) contrast(.95) brightness(1.04);
}

.final-scheme-skill .hero-media::after {
  background:
    linear-gradient(90deg, rgba(244, 239, 230, .98) 0%, rgba(244, 239, 230, .9) 42%, rgba(244, 239, 230, .28) 76%),
    linear-gradient(180deg, rgba(244, 239, 230, .16) 0%, rgba(20, 24, 23, .24) 100%);
}

.final-scheme-skill .hero-title span {
  color: rgba(20, 24, 23, .96);
}

.final-scheme-skill .hero-title span::after {
  background: linear-gradient(90deg, #3fe0d0, #c8a86a, transparent);
}

.final-scheme-skill .hero-copy {
  color: rgba(20, 24, 23, .72);
}

.final-scheme-skill .btn-primary {
  background: #0f7f73;
  color: var(--white);
  border-color: rgba(15, 127, 115, .2);
  box-shadow: 0 16px 42px rgba(15, 127, 115, .22);
}

.final-scheme-skill .btn-secondary {
  color: #141817;
  background: rgba(255, 255, 255, .56);
  border-color: rgba(20, 24, 23, .26);
}

.final-scheme-skill .hero-stats {
  color: #141817;
  background: rgba(20, 24, 23, .12);
  border-color: rgba(20, 24, 23, .16);
}

.final-scheme-skill .hero-stats div {
  background: rgba(255, 255, 255, .56);
}

.final-scheme-skill .hero-stats dd {
  color: rgba(20, 24, 23, .58);
}

/* Final editorial polish: quieter components, stronger image focus. */
.case-card,
.structure-item,
.factory-media,
.map-panel {
  border-radius: 3px;
}

.structure-item img {
  height: 240px;
  object-position: center 18%;
  transform: scale(1.22);
  transform-origin: center 24%;
  cursor: zoom-in;
}

.structure-item:hover img {
  transform: scale(1.27);
}

.case-card img,
.craft-hero img,
.craft-chip img,
.factory-media img {
  cursor: zoom-in;
}

.factory-media {
  min-height: 0;
  aspect-ratio: 4 / 5;
}

.factory-media img {
  object-position: 37% center;
}

.map-panel {
  background: linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(226, 221, 207, .94));
}

.china-map {
  min-height: 360px;
}

.china-shape {
  opacity: .92;
}

.china-outline,
.island {
  fill: none;
  stroke: #173d38;
  stroke-width: 3;
  stroke-linejoin: round;
}

.island {
  fill: rgba(159, 184, 176, .68);
  stroke-width: 2;
}

.map-route {
  fill: none;
  stroke: #c8a86a;
  stroke-width: 3;
  stroke-dasharray: 8 8;
  animation: route-flow 1.4s linear infinite;
}

.route-dot {
  fill: #ffffff;
  stroke: #0f7f73;
  stroke-width: 2;
}

.map-point circle:not(.pulse-ring) {
  fill: #0f7f73;
  stroke: #ffffff;
  stroke-width: 3;
}

.factory-point circle:not(.pulse-ring) {
  fill: #c8a86a;
}

.pulse-ring {
  fill: none;
  stroke: #0f7f73;
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  animation: map-pulse 2.3s ease-out infinite;
}

.pulse-ring-delay {
  stroke: #c8a86a;
  animation-delay: .7s;
}

.china-map text {
  fill: var(--deep);
  font-size: 16px;
  font-weight: 800;
}

.factory-address-card {
  position: relative;
  z-index: 4;
  width: min(340px, calc(100% - 36px));
  margin: -42px 18px 18px auto;
  padding: 17px 18px;
  border-left: 3px solid #c8a86a;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 50px rgba(19, 48, 44, .12);
}

.factory-address-card span,
.factory-address-card strong,
.factory-address-card p {
  display: block;
}

.factory-address-card span {
  color: #0f7f73;
  font-size: 12px;
  font-weight: 800;
}

.factory-address-card strong {
  margin-top: 4px;
  font-size: 18px;
}

.factory-address-card p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 34px;
  color: var(--white);
  background: rgba(5, 12, 11, .94);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .24s ease, visibility .24s ease;
}

.image-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.image-lightbox figure {
  width: min(1040px, 92vw);
  max-height: 88vh;
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 12px;
}

.image-lightbox img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, .45);
}

.image-lightbox figcaption {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.lightbox-close {
  position: absolute;
  top: 22px;
  right: 26px;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 50%;
  color: var(--white);
  background: rgba(255, 255, 255, .06);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

body.lightbox-open {
  overflow: hidden;
}

@keyframes map-pulse {
  0% { opacity: .85; transform: scale(.55); }
  75%, 100% { opacity: 0; transform: scale(1.9); }
}

@keyframes route-flow {
  to { stroke-dashoffset: -32; }
}

@media (max-width: 760px) {
  .structure-item img {
    height: 280px;
  }

  .factory-media {
    width: min(420px, 100%);
    height: auto;
    aspect-ratio: 4 / 5;
    margin: 0 auto;
  }

  .factory-address-card {
    margin-top: -24px;
  }

  .image-lightbox {
    padding: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .map-route,
  .pulse-ring {
    animation: none;
  }
}

/* Contact composition: national map first, compact information below. */
.contact-section {
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: stretch;
}

.contact-section .map-panel {
  order: 1;
  width: 100%;
  min-height: 0;
  padding: 28px 38px 22px;
  border-right: 0;
  border-left: 0;
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(15, 127, 115, .05), transparent 24%, transparent 76%, rgba(200, 168, 106, .06)),
    rgba(255, 255, 255, .5);
  box-shadow: none;
}

.contact-section .contact-copy {
  order: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  grid-template-areas:
    "eyebrow details"
    "title details"
    "copy details"
    "actions details";
  column-gap: 64px;
  align-items: start;
  padding: 28px 4px 0;
  border-top: 1px solid var(--line);
}

.contact-copy > .eyebrow {
  grid-area: eyebrow;
}

.contact-copy > h2 {
  grid-area: title;
  max-width: 620px;
  margin-bottom: 12px;
  font-size: 42px;
}

.contact-copy > p:not(.eyebrow) {
  grid-area: copy;
  max-width: 660px;
  margin-bottom: 22px;
  font-size: 15px;
}

.contact-copy > .contact-actions {
  grid-area: actions;
}

.contact-copy > .contact-list {
  grid-area: details;
  margin: 2px 0 0;
}

.contact-section .china-map {
  display: block;
  width: min(920px, 100%);
  height: 400px;
  min-height: 0;
  margin: 0 auto;
}

.coverage-routes path {
  fill: none;
  stroke: rgba(15, 127, 115, .3);
  stroke-width: 1.25;
  stroke-dasharray: 4 9;
  animation: national-route-flow 4.8s linear infinite;
}

.coverage-routes path:nth-child(2n) {
  animation-delay: -1.4s;
}

.coverage-points circle {
  fill: #ffffff;
  stroke: #0f7f73;
  stroke-width: 1.6;
  opacity: .72;
}

.contact-section .factory-address-card {
  margin-top: -72px;
  margin-right: 28px;
  border-left-width: 2px;
  box-shadow: 0 12px 34px rgba(19, 48, 44, .09);
}

.contact-section .map-note {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(23, 27, 27, .09);
}

.contact-section .map-note span {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
}

@keyframes national-route-flow {
  to { stroke-dashoffset: -48; }
}

@media (max-width: 900px) {
  .contact-section .contact-copy {
    grid-template-columns: 1fr;
    grid-template-areas:
      "eyebrow"
      "title"
      "copy"
      "actions"
      "details";
    row-gap: 0;
  }

  .contact-copy > .contact-list {
    margin-top: 28px;
  }
}

@media (max-width: 760px) {
  .contact-section .map-panel {
    min-height: auto;
    padding: 20px 16px;
  }

  .contact-section .china-map {
    height: 310px;
    min-height: 0;
  }

  .contact-copy > h2 {
    font-size: 32px;
  }

  .contact-section .factory-address-card {
    margin-top: -36px;
    margin-right: 8px;
  }

  .contact-section .map-note {
    display: grid;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .coverage-routes path {
    animation: none;
  }
}

/* Editorial asset refresh: product focus, production carousel and quiet GEO copy. */
.featured-grid {
  grid-auto-rows: minmax(280px, 340px);
}

.case-card {
  isolation: isolate;
  border-radius: 2px;
}

.case-card::after {
  z-index: 1;
  background: linear-gradient(180deg, transparent 28%, rgba(7, 14, 13, .22) 58%, rgba(7, 14, 13, .88) 100%);
  transition: background .35s ease;
}

.case-card::before {
  inset: 0;
  z-index: 4;
  opacity: 0;
  border: 1px solid rgba(143, 245, 228, .72);
  background:
    linear-gradient(90deg, transparent, rgba(143, 245, 228, .95), transparent) 0 0 / 34% 1px no-repeat,
    linear-gradient(180deg, transparent, rgba(200, 168, 106, .9), transparent) 100% 0 / 1px 34% no-repeat,
    linear-gradient(270deg, transparent, rgba(143, 245, 228, .85), transparent) 100% 100% / 34% 1px no-repeat,
    linear-gradient(0deg, transparent, rgba(200, 168, 106, .78), transparent) 0 100% / 1px 34% no-repeat;
  transition: opacity .24s ease;
}

.case-card:hover::before,
.case-card:focus-within::before {
  opacity: 1;
  animation: case-edge-flow 2.8s linear infinite;
}

.case-content {
  position: absolute;
  bottom: 36px;
  z-index: 3;
  max-width: min(88%, 520px);
  transition: opacity .25s ease;
}

.case-content span {
  margin-bottom: 10px;
  letter-spacing: 0;
}

.case-content h3 {
  margin-bottom: 0;
  line-height: 1.22;
}

.case-content p {
  margin-top: 10px;
}

@keyframes case-edge-flow {
  0% {
    background-position: -35% 0, 100% -35%, 135% 100%, 0 135%;
  }
  100% {
    background-position: 135% 0, 100% 135%, -35% 100%, 0 -35%;
  }
}

@media (hover: hover) and (pointer: fine) {
  .featured-grid:has(.case-card:hover) .case-card:not(:hover) img {
    filter: blur(5px) saturate(.62) brightness(.76);
    transform: scale(1.045);
  }

  .featured-grid:has(.case-card:hover) .case-card:not(:hover)::after {
    background: rgba(7, 14, 13, .32);
  }

  .featured-grid:has(.case-card:hover) .case-card:not(:hover) .case-content {
    opacity: .32;
  }
}

.structure-item {
  border-radius: 2px;
  background: rgba(255, 255, 255, .82);
}

#structure-title span {
  display: block;
}

.structure-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
  transform: none;
  transform-origin: center;
  filter: saturate(.9) contrast(1.02);
}

.structure-item:hover img {
  transform: scale(1.035);
  filter: saturate(1) contrast(1.04);
}

.structure-item h3 {
  margin-top: 20px;
}

.structure-item p {
  min-height: 64px;
}

.factory-gallery {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  aspect-ratio: 4 / 5;
  color: var(--white);
  border-radius: 2px;
  background: #14221f;
  box-shadow: 0 28px 80px rgba(13, 32, 29, .16);
}

.factory-slides,
.factory-slide {
  position: absolute;
  inset: 0;
}

.factory-slide {
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.025);
  transition: opacity .65s ease, visibility .65s ease, transform 1.1s cubic-bezier(.2, .7, .2, 1);
  pointer-events: none;
}

.factory-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: auto;
}

.factory-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(7, 14, 13, .02) 42%, rgba(7, 14, 13, .82) 100%);
  pointer-events: none;
}

.factory-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  cursor: zoom-in;
  filter: saturate(.88) contrast(1.04);
  transition: filter .35s ease, transform .7s ease;
}

.factory-slide:hover img {
  filter: saturate(1) contrast(1.06);
  transform: scale(1.018);
}

.factory-slide figcaption {
  position: absolute;
  right: 28px;
  bottom: 78px;
  left: 28px;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "count label"
    "count note";
  gap: 3px 14px;
  align-items: end;
}

.factory-slide figcaption span {
  grid-area: count;
  align-self: center;
  color: #c8a86a;
  font-size: 12px;
  font-weight: 800;
}

.factory-slide figcaption strong {
  grid-area: label;
  font-size: 21px;
}

.factory-slide figcaption small {
  grid-area: note;
  color: rgba(255, 255, 255, .56);
  font-size: 11px;
}

.factory-gallery-controls {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.factory-dots,
.factory-arrows {
  display: flex;
  align-items: center;
  gap: 8px;
}

.factory-dots button {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.factory-dots button::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, .34);
  transition: background .25s ease, transform .25s ease;
}

.factory-dots button.is-active::before {
  background: #8ff5e4;
  transform: scaleY(1.5);
}

.factory-arrows button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  padding: 0;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 50%;
  background: rgba(7, 14, 13, .4);
  font-size: 19px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.factory-arrows button:hover {
  color: #071412;
  border-color: #8ff5e4;
  background: #8ff5e4;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr;
}

.contact-section .map-panel {
  order: 1;
}

.contact-section .contact-copy {
  order: 2;
}

.geo-feed {
  position: static;
  width: auto;
  height: auto;
  padding: 10px clamp(20px, 5vw, 56px) 14px;
  overflow: visible;
  clip: auto;
  color: rgba(255, 255, 255, .28);
  background: var(--deep-2);
  font-size: 9px;
  line-height: 1.7;
  text-align: center;
  white-space: normal;
}

@media (max-width: 760px) {
  .case-content {
    bottom: 26px;
  }

  .structure-item img {
    height: auto;
    aspect-ratio: 3 / 2;
  }

  .structure-item p {
    min-height: 0;
  }

  .factory-gallery {
    width: 100%;
    min-height: 0;
    aspect-ratio: 4 / 5;
  }

  .factory-slide figcaption {
    right: 20px;
    bottom: 72px;
    left: 20px;
  }

  .factory-gallery-controls {
    right: 16px;
    left: 16px;
  }

  .geo-feed {
    padding-inline: 18px;
    font-size: 8px;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-card:hover::before,
  .case-card:focus-within::before {
    animation: none;
  }

  .factory-slide {
    transition: opacity .2s ease;
  }
}

/* Full-China service map: province boundaries, Henan hub and national delivery routes. */
.contact-section .map-panel {
  color: #e7f3f1;
  background:
    linear-gradient(105deg, rgba(31, 192, 183, .08), transparent 36%),
    #071c24;
  border-top: 1px solid rgba(128, 227, 218, .22);
  border-bottom: 1px solid rgba(128, 227, 218, .16);
}

.contact-section .map-label {
  position: relative;
  z-index: 5;
  margin-bottom: 10px;
  color: #f4fbfa;
}

.contact-section .map-label strong {
  font-size: 14px;
}

.contact-section .map-label span {
  color: rgba(219, 239, 236, .58);
}

.contact-section .china-map {
  width: min(1020px, 100%);
  height: auto;
  min-height: 0;
  aspect-ratio: 1000 / 650;
  overflow: visible;
}

.map-field {
  fill: #071c24;
  stroke: rgba(128, 227, 218, .12);
  stroke-width: 1;
}

.china-province-base {
  opacity: .98;
}

.china-province-layer .province {
  stroke: rgba(155, 235, 239, .62);
  stroke-width: 1.05;
  vector-effect: non-scaling-stroke;
}

.china-province-layer .province:nth-child(3n) {
  opacity: .94;
}

.china-province-layer .province:nth-child(4n) {
  opacity: .88;
}

.china-province-layer .province.henan {
  stroke: #c2fff7;
  stroke-width: 2;
  opacity: 1;
}

.south-china-sea-inset rect {
  fill: rgba(6, 49, 70, .78);
  stroke: rgba(155, 235, 239, .58);
  stroke-width: 1;
}

.south-china-sea-inset path {
  fill: #2bbcc2;
  stroke: #8feee8;
  stroke-width: .8;
}

.china-map .south-china-sea-inset text {
  fill: rgba(205, 246, 246, .72);
  font-size: 10px;
  font-weight: 500;
}

.national-service-routes path {
  fill: none;
  stroke: rgba(105, 232, 223, .56);
  stroke-width: 1.45;
  stroke-dasharray: 3 8;
  marker-end: url(#routeArrow);
  animation: national-route-flow 4.8s linear infinite;
}

.national-service-routes path:nth-child(2n) {
  stroke: rgba(126, 205, 238, .46);
  animation-delay: -1.6s;
}

#routeArrow path {
  fill: rgba(137, 241, 233, .72);
}

.national-targets circle {
  fill: #c8fbf5;
  stroke: #0a4151;
  stroke-width: 1.4;
  opacity: .88;
}

.route-particles circle {
  fill: #ffffff;
  filter: url(#mapGlow);
}

.location-link {
  fill: none;
  stroke: rgba(219, 247, 243, .72);
  stroke-width: 1.1;
}

.factory-link {
  stroke: rgba(223, 185, 106, .9);
}

.china-map .map-point circle:not(.pulse-ring) {
  fill: #52ded1;
  stroke: #f6fffd;
  stroke-width: 2.4;
}

.china-map .factory-point circle:not(.pulse-ring) {
  fill: #d7b56f;
}

.china-map .pulse-ring {
  stroke: #57e5d8;
}

.china-map .pulse-ring-delay {
  stroke: #d7b56f;
}

.china-map .map-point text {
  fill: #f1faf8;
  font-size: 17px;
  font-weight: 800;
  paint-order: stroke;
  stroke: #071c24;
  stroke-width: 5px;
  stroke-linejoin: round;
}

.china-map .map-coordinate {
  fill: rgba(205, 232, 229, .52);
  font-size: 10px;
  font-weight: 500;
}

.contact-section .factory-address-card {
  margin-top: -106px;
  margin-right: 44px;
  color: var(--deep);
  background: rgba(252, 253, 250, .96);
  box-shadow: 0 18px 46px rgba(0, 0, 0, .24);
}

.contact-section .map-note {
  border-color: rgba(197, 230, 226, .15);
}

.contact-section .map-note span {
  color: rgba(219, 239, 236, .58);
}

@media (max-width: 760px) {
  .contact-section .map-panel {
    padding: 18px 12px;
  }

  .contact-section .map-label {
    align-items: flex-start;
    margin-bottom: 8px;
  }

  .contact-section .map-label span {
    max-width: 150px;
    text-align: right;
  }

  .contact-section .china-map {
    height: auto;
    aspect-ratio: 1000 / 650;
  }

  .contact-section .factory-address-card {
    width: calc(100% - 20px);
    margin: -28px 10px 14px;
  }

  .china-map .map-coordinate {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .national-service-routes path,
  .china-map .pulse-ring {
    animation: none;
  }

  .route-particles {
    display: none;
  }
}