:root {
  --ink: #11100d;
  --paper: #f7f8f4;
  --white: #ffffff;
  --green: #69c757;
  --green-dark: #399d3c;
  --muted: #666a62;
  --line: #dfe2da;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

img {
  display: block;
}

.site-header {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  max-width: 1440px;
  min-height: 104px;
  margin: 0 auto;
  padding: 0 4.5vw;
  border-bottom: 1px solid var(--line);
}

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

.brand > img {
  width: 48px;
  height: 43px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 11px;
  letter-spacing: 0.16em;
}

nav {
  display: flex;
  align-items: center;
  gap: 36px;
  color: #363934;
  font-size: 14px;
}

nav a,
.text-link {
  transition: color 180ms ease;
}

nav a:hover,
.text-link:hover {
  color: var(--green-dark);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 180ms ease, color 180ms ease;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 18px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.language-switch a,
.language-switch span {
  padding: 5px 2px;
}

.language-switch a {
  transition: color 180ms ease;
}

.language-switch a:hover {
  color: var(--green-dark);
}

.language-switch [aria-current="page"] {
  color: var(--ink);
  border-bottom: 2px solid var(--green-dark);
}

.header-cta:hover {
  background: var(--ink);
  color: white;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(420px, 0.85fr);
  max-width: 1440px;
  min-height: 700px;
  margin: 0 auto;
  padding: 94px 4.5vw 80px;
  overflow: hidden;
}

.hero-copy {
  align-self: center;
  max-width: 780px;
  padding-right: 6vw;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
}

.hero h1 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(54px, 6.2vw, 96px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.hero h1 span {
  color: var(--green-dark);
}

.hero-intro {
  max-width: 620px;
  margin: 38px 0 0;
  color: #555951;
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 230px;
  gap: 28px;
  padding: 18px 20px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
}

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

.button-dark {
  background: var(--ink);
  color: white;
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0 0 0 13%;
  background: var(--green);
}

.hero-visual::after {
  content: "";
  position: absolute;
  width: 48%;
  aspect-ratio: 1;
  top: -18%;
  right: -7%;
  border: 1px solid rgba(17, 16, 13, 0.22);
  border-radius: 50%;
}

.route-card {
  position: relative;
  z-index: 2;
  width: min(390px, 80%);
  min-height: 440px;
  padding: 28px;
  background: var(--ink);
  color: white;
  box-shadow: 30px 36px 0 rgba(255, 255, 255, 0.5);
}

.route-card-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.route-mark {
  display: flex;
  justify-content: center;
  padding: 58px 0 50px;
}

.route-mark img {
  width: 152px;
  filter: drop-shadow(0 14px 25px rgba(0, 0, 0, 0.24));
}

.route-line {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 20px;
}

.route-line::before {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
}

.route-dot {
  position: relative;
  z-index: 1;
  width: 11px;
  height: 11px;
  background: var(--green);
  border: 3px solid var(--ink);
  outline: 1px solid var(--green);
  border-radius: 50%;
}

.route-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
}

.market-stamp {
  position: absolute;
  z-index: 3;
  right: -1px;
  bottom: 26px;
  display: flex;
  flex-direction: column;
  min-width: 176px;
  padding: 17px 20px;
  background: white;
  border-left: 4px solid var(--ink);
}

.market-stamp span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.market-stamp strong {
  margin-top: 6px;
  font-size: 20px;
  letter-spacing: 0.04em;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1440px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip > div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 86px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.trust-strip > div + div {
  border-left: 1px solid var(--line);
}

.trust-strip svg {
  color: var(--green-dark);
}

.section {
  max-width: 1440px;
  margin: 0 auto;
  padding: 125px 4.5vw;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 74px;
}

.section-heading h2,
.focus-intro h2,
.supplier-copy h2,
.contact-title h2 {
  margin: 0;
  font-size: clamp(42px, 4.7vw, 72px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
}

.process-grid article {
  min-height: 310px;
  padding: 30px 34px 20px 0;
}

.process-grid article + article {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.process-grid article > span,
.focus-list article > span {
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
}

.process-grid h3 {
  margin: 72px 0 18px;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.035em;
}

.process-grid p,
.focus-intro > p:last-child,
.focus-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.markets-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1440px;
  min-height: 600px;
  margin: 0 auto;
}

.market-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6vw 5vw;
}

.market-panel-dark {
  background: var(--ink);
  color: white;
}

.market-panel-green {
  position: relative;
  overflow: hidden;
  background: var(--green);
  color: var(--ink);
}

.market-panel-green::before,
.market-panel-green::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(17, 16, 13, 0.22);
  border-radius: 50%;
}

.market-panel-green::before {
  width: 490px;
  height: 490px;
  top: -250px;
  right: -160px;
}

.market-panel-green::after {
  width: 310px;
  height: 310px;
  top: -160px;
  right: -70px;
}

.panel-index {
  position: relative;
  z-index: 1;
  margin: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.market-panel h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 25px;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.055em;
}

.market-panel > p:not(.panel-index) {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

.market-panel-dark > p:not(.panel-index) {
  color: rgba(255, 255, 255, 0.65);
}

.market-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 34px;
}

.market-tags span {
  padding: 9px 13px;
  border: 1px solid currentColor;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.focus-section {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 8vw;
}

.focus-intro {
  position: sticky;
  top: 40px;
  align-self: start;
}

.focus-intro > p:last-child {
  max-width: 490px;
  margin-top: 30px;
}

.focus-list {
  border-top: 1px solid var(--ink);
}

.focus-list article {
  display: grid;
  grid-template-columns: 52px minmax(160px, 0.8fr) 1.2fr auto;
  gap: 26px;
  align-items: center;
  min-height: 135px;
  border-bottom: 1px solid var(--line);
}

.focus-list h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.focus-list svg {
  color: var(--green-dark);
}

.supplier-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  max-width: 1440px;
  min-height: 650px;
  margin: 0 auto;
  padding: 9vw 8vw;
  background: var(--ink);
  color: white;
}

.eyebrow-light {
  color: var(--green);
}

.supplier-copy {
  align-self: center;
  max-width: 650px;
  padding-right: 7vw;
}

.supplier-copy > p:last-child {
  max-width: 560px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 17px;
  line-height: 1.7;
}

.supplier-checklist {
  align-self: center;
  padding: 45px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.supplier-checklist > p {
  margin: 0 0 26px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.supplier-checklist ul {
  display: grid;
  gap: 19px;
  margin: 0 0 38px;
  padding: 0;
  list-style: none;
}

.supplier-checklist li {
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.supplier-checklist li svg {
  color: var(--green);
}

.button-light {
  background: var(--green);
  color: var(--ink);
}

.button-light:hover {
  background: white;
}

.contact-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 8vw;
  max-width: 1440px;
  margin: 0 auto;
  padding: 120px 4.5vw;
}

.contact-title h2 {
  max-width: 760px;
}

.contact-details {
  align-self: end;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 17px;
  padding-bottom: 7px;
}

.contact-name {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.contact-details a {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(18px, 2vw, 25px);
  letter-spacing: -0.025em;
  transition: color 180ms ease;
}

.contact-details a:hover {
  color: var(--green-dark);
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: end;
  gap: 30px;
  max-width: 1440px;
  min-height: 170px;
  margin: 0 auto;
  padding: 45px 4.5vw;
  border-top: 1px solid var(--line);
}

footer > p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

footer > p:last-child {
  justify-self: end;
}

@media (max-width: 1000px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero-visual {
    min-height: 600px;
  }

  .hero-visual::before {
    inset: 0 7%;
  }

  .market-stamp {
    right: 7%;
  }

  .section-heading,
  .focus-section,
  .supplier-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 0;
  }

  .focus-intro {
    position: static;
  }

  .supplier-section {
    gap: 65px;
  }

  .contact-section {
    gap: 58px;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 84px;
    padding: 0 22px;
  }

  .brand > img {
    width: 39px;
    height: 36px;
  }

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

  .brand-copy small {
    font-size: 9px;
  }

  .header-cta {
    padding: 9px 10px;
  }

  .header-actions {
    gap: 10px;
  }

  .language-switch {
    gap: 5px;
    font-size: 11px;
  }

  .header-cta svg {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 72px 22px 60px;
  }

  .hero h1 {
    font-size: clamp(48px, 15vw, 68px);
  }

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

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-visual {
    min-height: 475px;
  }

  .hero-visual::before {
    inset: 0;
  }

  .route-card {
    width: calc(100% - 44px);
    min-height: 390px;
    box-shadow: 16px 18px 0 rgba(255, 255, 255, 0.5);
  }

  .route-mark {
    padding: 46px 0 40px;
  }

  .route-mark img {
    width: 125px;
  }

  .market-stamp {
    right: 0;
    bottom: 18px;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip > div {
    justify-content: flex-start;
    min-height: 64px;
    padding: 0 22px;
  }

  .trust-strip > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .section {
    padding: 90px 22px;
  }

  .section-heading {
    margin-bottom: 48px;
  }

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

  .process-grid article {
    min-height: 250px;
  }

  .process-grid article + article {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .process-grid h3 {
    margin-top: 52px;
  }

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

  .market-panel {
    min-height: 520px;
    padding: 58px 28px;
  }

  .focus-section {
    gap: 56px;
  }

  .focus-list article {
    grid-template-columns: 38px 1fr auto;
    gap: 16px;
    padding: 25px 0;
  }

  .focus-list article p {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .supplier-section {
    min-height: auto;
    padding: 90px 22px;
  }

  .supplier-copy {
    padding-right: 0;
  }

  .supplier-checklist {
    padding: 30px 23px;
  }

  .button-light {
    min-width: 100%;
  }

  .contact-section {
    padding: 90px 22px;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 45px 22px;
  }

  footer > p:last-child {
    justify-self: start;
  }
}

html[lang^="zh"] body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

html[lang^="zh"] .hero h1,
html[lang^="zh"] .section-heading h2,
html[lang^="zh"] .focus-intro h2,
html[lang^="zh"] .supplier-copy h2,
html[lang^="zh"] .contact-title h2,
html[lang^="zh"] .market-panel h2 {
  letter-spacing: -0.025em;
  line-height: 1.08;
}

html[lang^="zh"] .eyebrow,
html[lang^="zh"] .panel-index,
html[lang^="zh"] .market-tags span {
  letter-spacing: 0.08em;
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}