@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("assets/AlibabaPuHuiTi-YUNCRUX.woff") format("woff");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --mineral: #071b16;
  --pine: #0d2a22;
  --silver: #d7ddd9;
  --warm: #f8f7f3;
  --paper: #efefeb;
  --graphite: #222826;
  --verified: #5e8d74;
  --line-dark: rgba(7, 27, 22, 0.18);
  --line-light: rgba(215, 221, 217, 0.24);
  --page: min(1440px, calc(100vw - 96px));
  --header-h: 84px;
  --ease: cubic-bezier(.22, .8, .2, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--graphite);
  background: var(--warm);
  font-family: "Alibaba PuHuiTi", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.lang-zh [lang="en"],
body.lang-en [lang="zh"] { display: none !important; }

body.menu-open { overflow: hidden; }
body.intro-active { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }

::selection { color: var(--mineral); background: var(--silver); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--mineral);
  background: var(--warm);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

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

.brand-intro {
  position: fixed;
  z-index: 900;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--warm);
  background: var(--mineral);
  animation: intro-leave .62s var(--ease) 2.2s forwards;
}

.intro-seen .brand-intro { display: none; }

.intro-axis {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(215,221,217,.34) 18%, rgba(215,221,217,.34) 82%, transparent);
  transform: scaleX(0);
  transform-origin: left;
  animation: intro-axis 1.25s var(--ease) .12s both;
}

.intro-lockup {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.6vw, 38px);
  padding: 34px 44px;
  background: var(--mineral);
}

.intro-mark { width: clamp(84px, 8vw, 124px); height: auto; overflow: visible; }
.intro-stroke {
  fill: none;
  stroke: var(--silver);
  stroke-width: 7;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-dasharray: 64;
  stroke-dashoffset: 64;
  animation: intro-draw .48s var(--ease) forwards;
}
.intro-stroke-a { animation-delay: .28s; }
.intro-stroke-b { animation-delay: .38s; }
.intro-stroke-c { animation-delay: .82s; }
.intro-stroke-d { animation-delay: .94s; }
.intro-node {
  fill: var(--verified);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: intro-node .34s var(--ease) .72s forwards;
}
.intro-wordmark {
  color: var(--warm);
  font-size: clamp(1.75rem, 3vw, 3.2rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: .1em;
  clip-path: inset(0 100% 0 0);
  opacity: 0;
  transform: translateX(-16px);
  animation: intro-word .64s var(--ease) 1.08s forwards;
}

.page-shell {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: 100%;
  height: var(--header-h);
  padding-inline: max(36px, calc((100vw - var(--page)) / 2));
  color: var(--warm);
  border-bottom: 1px solid rgba(248, 247, 243, .16);
  transition: height .35s var(--ease), background .35s ease, color .35s ease, border-color .35s ease;
}

.site-header.scrolled {
  height: 68px;
  color: var(--mineral);
  background: rgba(248, 247, 243, .92);
  border-color: rgba(7, 27, 22, .12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 238px;
  color: inherit;
}

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

.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 8;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.brand-mark rect { fill: var(--verified); }
.wordmark { font-size: 1.17rem; font-weight: 900; letter-spacing: .045em; line-height: 1; }
.brand-divider { width: 1px; height: 24px; background: currentColor; opacity: .72; }
.cn-mark { font-size: 1.02rem; font-weight: 800; letter-spacing: .08em; line-height: 1; }

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.2vw, 42px);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .055em;
}

.site-nav a {
  position: relative;
  padding-block: 12px;
  opacity: .78;
  transition: opacity .2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible { opacity: 1; }
.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.site-nav .nav-rfq { opacity: 1; }

.language-switch {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
}

.language-switch button {
  padding: 8px 2px;
  border: 0;
  background: transparent;
  cursor: pointer;
  opacity: .45;
}

.language-switch button[aria-pressed="true"] { opacity: 1; }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 720px;
  height: max(720px, 100svh);
  overflow: hidden;
  color: var(--warm);
  background: var(--mineral);
}

.hero-media,
.hero-shade {
  position: absolute;
  z-index: 0;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.78) contrast(1.04);
  transform: scale(1.015);
  animation: hero-settle 1.8s var(--ease) both;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7,27,22,.98) 0%, rgba(7,27,22,.91) 34%, rgba(7,27,22,.35) 64%, rgba(7,27,22,.06) 100%),
    linear-gradient(0deg, rgba(7,27,22,.72) 0%, transparent 42%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(215,221,217,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215,221,217,.07) 1px, transparent 1px);
  background-size: 100% 180px, calc(100% / 12) 100%;
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.9), rgba(0,0,0,.2) 72%, transparent 100%);
  mask-image: linear-gradient(90deg, rgba(0,0,0,.9), rgba(0,0,0,.2) 72%, transparent 100%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(248,247,243,.1) .65px, transparent .65px);
  background-size: 5px 5px;
  opacity: .12;
  mix-blend-mode: soft-light;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 72px;
}

.hero-kicker,
.section-label {
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.status-node {
  width: 8px;
  height: 8px;
  background: var(--verified);
  transform: rotate(45deg);
}

.hero-title {
  max-width: 900px;
  margin: 32px 0 24px;
  font-size: clamp(3.6rem, 5.4vw, 6.6rem);
  font-weight: 800;
  line-height: .91;
  letter-spacing: -.048em;
}

.hero-title span { color: var(--silver); }

.hero-translation {
  margin: -5px 0 22px;
  color: rgba(248,247,243,.62);
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .14em;
}

.hero-copy {
  max-width: 480px;
  font-size: clamp(.98rem, 1.05vw, 1.12rem);
  line-height: 1.55;
  color: rgba(248,247,243,.76);
}

.hero-copy p { margin: 0; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 54px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-size: .77rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s ease, color .25s ease, border-color .25s ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }
.button-light { color: var(--mineral); background: var(--warm); }
.button-light:hover { background: var(--silver); }
.button-dark { width: 100%; color: var(--warm); background: var(--mineral); }
.button-dark:hover { background: var(--pine); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-block: 13px;
  border-bottom: 1px solid rgba(248,247,243,.45);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.hero-flow {
  position: absolute;
  z-index: 2;
  top: 20%;
  right: 7%;
  width: min(34vw, 520px);
  height: 320px;
  opacity: .46;
}

.flow-line { position: absolute; display: block; height: 1px; background: rgba(215,221,217,.56); transform-origin: left; }
.flow-a { top: 48%; left: 0; width: 76%; transform: rotate(-23deg); }
.flow-b { top: 48%; left: 45%; width: 58%; transform: rotate(21deg); }
.flow-node { position: absolute; top: calc(48% - 7px); left: calc(45% - 7px); width: 14px; height: 14px; background: var(--silver); transform: rotate(45deg); }

.section { position: relative; padding: clamp(100px, 11vw, 176px) 0; }
.section-light { background: var(--warm); }
.section-paper { background: var(--paper); }
.section-green { color: var(--warm); background: var(--mineral); }

.section-label {
  margin-bottom: 54px;
  color: #56645f;
}

.section-label > span:first-child { color: var(--verified); }
.section-green .section-label { color: rgba(248,247,243,.58); }

.position-grid,
.section-head,
.network-layout,
.rfq-layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.display-title,
.section-title {
  margin: 0;
  font-weight: 800;
  letter-spacing: -.045em;
}

.display-title {
  grid-column: 1 / span 7;
  max-width: 920px;
  color: var(--mineral);
  font-size: clamp(3.6rem, 6.3vw, 7.5rem);
  line-height: .98;
}

.section-title {
  font-size: clamp(3rem, 5.1vw, 6.25rem);
  line-height: .98;
}

.position-copy {
  grid-column: 9 / span 4;
  padding-top: 10px;
  border-top: 1px solid var(--line-dark);
}

.lead {
  margin: 0 0 28px;
  font-size: clamp(1.08rem, 1.45vw, 1.35rem);
  line-height: 1.6;
}

.position-copy > p:not(.lead) { color: #56605d; }

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(82px, 10vw, 148px);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.value-card {
  min-height: 290px;
  padding: 32px 34px 40px;
  border-right: 1px solid var(--line-dark);
}

.value-card:last-child { border-right: 0; }
.card-index { color: var(--verified); font-size: .72rem; font-weight: 700; letter-spacing: .14em; }
.value-card h3 { margin: 76px 0 16px; color: var(--mineral); font-size: 1.55rem; }
.value-card p { max-width: 360px; margin: 0; color: #59625f; }

.section-head { align-items: end; }
.section-head > div:first-child { grid-column: 1 / span 8; }
.section-head .section-label { margin-bottom: 44px; }
.section-intro { grid-column: 9 / span 4; padding-top: 22px; border-top: 1px solid var(--line-dark); }
.section-intro p { margin: 0; font-size: 1.03rem; color: #56605d; }
.section-head-inverse .section-intro { border-color: var(--line-light); }
.section-head-inverse .section-intro p { color: rgba(248,247,243,.68); }

.material-list { margin-top: 86px; border-top: 1px solid var(--line-dark); }
.material-row {
  display: grid;
  grid-template-columns: .75fr 2fr 2.25fr 1.45fr;
  gap: 28px;
  align-items: center;
  min-height: 172px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding .35s var(--ease), background .35s ease;
}

.material-row:hover { padding-inline: 24px; background: rgba(248,247,243,.72); }
.material-number { align-self: start; padding-top: 9px; color: var(--verified); font-size: .72rem; font-weight: 700; letter-spacing: .12em; }
.material-name h3 { margin: 0 0 8px; color: var(--mineral); font-size: clamp(1.35rem, 2vw, 2.05rem); line-height: 1.15; }
.material-name > span { color: #78827e; font-size: .67rem; font-weight: 700; letter-spacing: .13em; }
.material-row > p { margin: 0; color: #56605d; }
.material-tags { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.material-tags span { padding: 7px 9px; border: 1px solid rgba(7,27,22,.18); color: #59645f; font-size: .64rem; font-weight: 700; letter-spacing: .1em; }
.boundary-note { margin: 20px 0 0; color: #68726e; font-size: .78rem; }

.process-section { overflow: hidden; }
.process-section::before {
  content: "";
  position: absolute;
  right: -12vw;
  top: 16%;
  width: 48vw;
  height: 48vw;
  border: 1px solid rgba(215,221,217,.08);
  border-radius: 50%;
}

.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin-top: 108px;
}

.process-track::before {
  content: "";
  position: absolute;
  top: 40px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-light);
}

.process-step { position: relative; min-height: 230px; padding: 0 28px 0 0; }
.process-step > span { color: rgba(248,247,243,.48); font-size: .72rem; letter-spacing: .12em; }
.process-node { position: relative; z-index: 1; width: 11px; height: 11px; margin: 25px 0 42px; background: var(--silver); transform: rotate(45deg); box-shadow: 0 0 0 8px var(--mineral); }
.process-step h3 { margin: 0 0 12px; font-size: 1.05rem; letter-spacing: .04em; }
.process-step p { margin: 0; color: rgba(248,247,243,.55); font-size: .8rem; line-height: 1.55; }

.proof-statement {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
  padding: 34px 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.proof-statement strong { font-size: clamp(1.25rem, 2vw, 1.8rem); letter-spacing: .04em; }
.proof-statement p { margin: 6px 0 0; color: rgba(248,247,243,.62); }
.proof-symbol { position: relative; width: 72px; height: 42px; flex: 0 0 auto; }
.proof-symbol span { position: absolute; left: 0; top: 20px; width: 36px; height: 2px; background: var(--silver); transform-origin: right; }
.proof-symbol span:first-child { transform: rotate(31deg); }
.proof-symbol span:nth-child(2) { transform: rotate(-31deg); }
.proof-symbol::after { content: ""; position: absolute; left: 35px; top: 20px; width: 36px; height: 2px; background: var(--silver); }
.proof-symbol i { position: absolute; left: 31px; top: 16px; width: 10px; height: 10px; background: var(--verified); transform: rotate(45deg); }

.network-copy { grid-column: 1 / span 6; }
.network-copy .section-title { margin-bottom: 0; }
.network-copy .lead { max-width: 610px; color: #56605d; }
.location-system { position: relative; grid-column: 8 / span 5; padding-left: 38px; }
.location-line { position: absolute; top: 10px; bottom: 32px; left: 5px; width: 1px; background: rgba(7,27,22,.22); }
.location-card { position: relative; padding: 27px 30px 30px; border-top: 1px solid var(--line-dark); background: transparent; }
.location-card::before { content: ""; position: absolute; top: 28px; left: -38px; width: 11px; height: 11px; background: var(--silver); border: 1px solid var(--mineral); transform: rotate(45deg); }
.location-card.is-primary { color: var(--warm); background: var(--mineral); }
.location-card.is-primary::before { background: var(--verified); border-color: var(--verified); }
.location-code { display: block; color: var(--verified); font-size: .67rem; font-weight: 700; letter-spacing: .12em; }
.location-card h3 { margin: 20px 0 8px; font-size: 1.28rem; letter-spacing: .025em; }
.location-card p { margin: 0; color: #68716e; font-size: .82rem; }
.location-card.is-primary p { color: rgba(248,247,243,.62); }

.global-path {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 72px;
  align-items: end;
  margin-top: 110px;
  padding-top: 36px;
  border-top: 1px solid var(--line-dark);
}

.global-path-title > span { color: var(--verified); font-size: .7rem; font-weight: 700; letter-spacing: .14em; }
.global-path-title h3 { max-width: 380px; margin: 18px 0 0; color: var(--mineral); font-size: 1.45rem; line-height: 1.3; }
.global-path ol { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; }
.global-path li { position: relative; min-height: 108px; padding: 15px 12px 0 0; border-top: 1px solid rgba(7,27,22,.28); }
.global-path li::after { content: "→"; position: absolute; top: 10px; right: 0; color: var(--verified); }
.global-path li:last-child::after { display: none; }
.global-path li span { display: block; margin-bottom: 36px; color: var(--verified); font-size: .65rem; letter-spacing: .12em; }
.global-path li b { font-size: .73rem; letter-spacing: .04em; }

.cases-head > div:first-child { grid-column: 1 / span 10; }
.case-card {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr .9fr;
  gap: 46px;
  min-height: 410px;
  margin-top: 42px;
  padding: 44px;
  color: var(--graphite);
  border: 1px solid rgba(7,27,22,.15);
  background: var(--warm);
}

.case-card:first-of-type { margin-top: 88px; }
.case-card-dark { color: var(--warm); border-color: var(--mineral); background: var(--mineral); }
.case-type { color: var(--verified); font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.partner-identity,
.partner-profile { display: flex; flex-direction: column; }
.partner-logo-frame {
  display: flex;
  align-items: center;
  width: 100%;
  height: 104px;
  margin-top: 52px;
  padding: 17px 20px;
  overflow: hidden;
  border: 1px solid rgba(7,27,22,.12);
  background: #fff;
}
.partner-logo-frame img { width: 100%; height: 100%; object-fit: contain; }
.partner-logo-xiashun { border-color: rgba(248,247,243,.14); background: #9c9e9e; }
.partner-status {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: auto 0 0;
  padding-top: 25px;
  color: var(--mineral);
  border-top: 1px solid rgba(7,27,22,.18);
  font-size: .69rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .07em;
}
.partner-status i { flex: 0 0 auto; width: 8px; height: 8px; margin-top: 3px; background: var(--verified); transform: rotate(45deg); }
.case-card-dark .partner-status { color: var(--warm); border-color: var(--line-light); }
.partner-profile h3 { margin: 46px 0 18px; color: inherit; font-size: clamp(1.8rem, 2.65vw, 3.2rem); line-height: 1.03; letter-spacing: -.035em; }
.partner-profile > p { max-width: 520px; margin: 0; color: #56605d; }
.case-card-dark .partner-profile > p { color: rgba(248,247,243,.66); }
.case-data { border-top: 1px solid rgba(7,27,22,.18); }
.case-card-dark .case-data { border-color: var(--line-light); }
.case-data div { padding: 23px 0 26px; border-bottom: 1px solid rgba(7,27,22,.18); }
.case-card-dark .case-data div { border-color: var(--line-light); }
.case-data strong { display: block; margin-bottom: 3px; color: inherit; font-size: clamp(1.5rem, 2.35vw, 2.6rem); line-height: 1.08; letter-spacing: -.03em; }
.case-data span { color: #68716e; font-size: .68rem; font-weight: 600; letter-spacing: .08em; }
.case-card-dark .case-data span { color: rgba(248,247,243,.48); }
.case-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: auto; }
.case-links a { align-self: flex-start; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: .68rem; font-weight: 700; letter-spacing: .1em; }

.insights-grid { margin-top: 82px; border-top: 1px solid var(--line-light); }
.insight-card { border-bottom: 1px solid var(--line-light); }
.insight-card summary {
  display: grid;
  grid-template-columns: 180px 1fr 30px;
  align-items: center;
  gap: 26px;
  min-height: 132px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
}
.insight-card summary::-webkit-details-marker { display: none; }
.insight-no { color: var(--verified); font-size: .68rem; font-weight: 700; letter-spacing: .12em; }
.insight-card h3 { margin: 0; font-size: clamp(1.45rem, 2.5vw, 2.6rem); line-height: 1.15; letter-spacing: -.02em; }
.plus { position: relative; width: 24px; height: 24px; }
.plus::before, .plus::after { content: ""; position: absolute; top: 11px; left: 2px; width: 20px; height: 1px; background: var(--silver); transition: transform .3s var(--ease); }
.plus::after { transform: rotate(90deg); }
.insight-card[open] .plus::after { transform: rotate(0); }
.insight-body { max-width: 740px; margin-left: 206px; padding: 0 0 38px; color: rgba(248,247,243,.62); font-size: 1.02rem; }
.insight-body p { margin: 0; }

.section-rfq { color: var(--graphite); background: var(--silver); }
.rfq-copy { grid-column: 1 / span 5; }
.rfq-copy .display-title { display: block; margin-bottom: 38px; font-size: clamp(3.25rem, 5.6vw, 6.65rem); }
.rfq-copy .lead { max-width: 520px; color: #48534f; }
.contact-block { margin-top: 78px; padding-top: 26px; border-top: 1px solid rgba(7,27,22,.25); }
.contact-block > span { display: block; margin-bottom: 12px; color: #61706a; font-size: .66rem; font-weight: 700; letter-spacing: .13em; }
.contact-block .contact-email { color: var(--mineral); font-size: clamp(1.15rem, 1.8vw, 1.6rem); font-weight: 700; }
.contact-services { margin-top: 27px; }
.contact-block .service-phone {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 18px;
  align-items: center;
  padding: 15px 0;
  color: var(--mineral);
  border-top: 1px solid rgba(7,27,22,.18);
}
.service-phone small { color: #61706a; font-size: .65rem; font-weight: 700; letter-spacing: .1em; }
.service-phone strong { grid-column: 1; font-size: 1rem; letter-spacing: .02em; }
.service-phone > span { grid-column: 2; grid-row: 1 / span 2; font-size: .8rem; }
.contact-block p { margin: 7px 0 0; color: #65706c; font-size: .72rem; letter-spacing: .1em; }

.rfq-form { grid-column: 7 / span 6; padding: 42px; background: var(--warm); box-shadow: 0 28px 80px rgba(7,27,22,.08); }
.rfq-form label { display: block; margin-bottom: 23px; color: #53605b; font-size: .66rem; font-weight: 700; letter-spacing: .1em; }
.form-row { display: grid; gap: 18px; }
.two-col { grid-template-columns: 1fr 1fr; }
.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 13px 0;
  color: var(--mineral);
  border: 0;
  border-bottom: 1px solid rgba(7,27,22,.26);
  border-radius: 0;
  outline: none;
  background: transparent;
  font-size: .98rem;
  font-weight: 400;
  letter-spacing: normal;
  transition: border-color .2s ease;
}
.rfq-form textarea { resize: vertical; }
.rfq-form input:focus,
.rfq-form select:focus,
.rfq-form textarea:focus { border-color: var(--verified); }
.rfq-form .button { margin-top: 10px; border: 0; }
.form-note { margin: 14px 0 0; color: #737c79; font-size: .69rem; line-height: 1.55; }

.site-footer { padding: 76px 0 26px; color: var(--warm); background: var(--mineral); }
.footer-main { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; padding-bottom: 66px; }
.brand-footer { min-width: 0; }
.footer-main > p { justify-self: center; margin: 0; color: rgba(248,247,243,.55); font-size: .69rem; font-weight: 700; letter-spacing: .12em; }
.footer-main > a:last-child { justify-self: end; padding-bottom: 6px; border-bottom: 1px solid rgba(248,247,243,.45); font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.footer-bottom { display: grid; grid-template-columns: 1fr 1fr 1fr; padding-top: 22px; border-top: 1px solid var(--line-light); color: rgba(248,247,243,.42); font-size: .62rem; font-weight: 600; letter-spacing: .1em; }
.footer-bottom span:nth-child(2) { justify-self: center; }
.footer-bottom span:last-child { justify-self: end; }

.toast {
  position: fixed;
  z-index: 200;
  right: 24px;
  bottom: 24px;
  max-width: min(390px, calc(100vw - 48px));
  padding: 15px 18px;
  color: var(--warm);
  background: var(--graphite);
  box-shadow: 0 12px 40px rgba(0,0,0,.22);
  font-size: .85rem;
  transform: translateY(140%);
  opacity: 0;
  transition: transform .35s var(--ease), opacity .25s ease;
}
.toast.show { transform: translateY(0); opacity: 1; }

.js-ready .reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.js-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes hero-settle {
  from { transform: scale(1.07); opacity: .65; }
  to { transform: scale(1.015); opacity: 1; }
}

@keyframes intro-axis {
  0% { opacity: 0; transform: scaleX(0); }
  24% { opacity: 1; }
  72% { opacity: .7; transform: scaleX(1); }
  100% { opacity: 0; transform: scaleX(1); }
}

@keyframes intro-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes intro-node {
  0% { opacity: 0; scale: .45; }
  100% { opacity: 1; scale: 1; }
}

@keyframes intro-word {
  to { clip-path: inset(0 0 0 0); opacity: 1; transform: translateX(0); }
}

@keyframes intro-leave {
  0% { opacity: 1; visibility: visible; }
  100% { opacity: 0; visibility: hidden; }
}

@media (prefers-reduced-motion: reduce) {
  .brand-intro { animation: intro-leave .01s linear .35s forwards; }
  .intro-axis { display: none; }
  .intro-stroke { stroke-dashoffset: 0; animation: none; }
  .intro-node { opacity: 1; animation: none; }
  .intro-wordmark { clip-path: inset(0 0 0 0); opacity: 1; transform: none; animation: none; }
}

@media (max-width: 1180px) {
  :root { --page: min(100% - 64px, 1180px); }
  .site-nav { gap: 18px; }
  .site-nav a:not(.nav-rfq) { display: none; }
  .hero-title { font-size: clamp(3.55rem, 6.7vw, 5.9rem); }
  .material-row { grid-template-columns: .55fr 1.6fr 2fr; }
  .material-tags { grid-column: 2 / -1; justify-content: flex-start; }
  .process-track { grid-template-columns: repeat(3, 1fr); row-gap: 50px; }
  .process-track::before { display: none; }
  .process-step { min-height: 190px; border-top: 1px solid var(--line-light); padding-top: 18px; }
  .process-node { margin: 22px 0 30px; }
  .case-card { gap: 32px; padding: 38px; }
}

@media (max-width: 900px) {
  :root { --page: calc(100% - 44px); --header-h: 72px; }
  .site-header { grid-template-columns: 1fr auto auto; padding-inline: 22px; }
  .site-header.scrolled { height: 64px; }
  .brand { min-width: 0; gap: 10px; }
  .brand-mark { width: 30px; }
  .wordmark { font-size: 1rem; }
  .brand-divider { height: 20px; }
  .cn-mark { font-size: .9rem; }
  .site-nav { display: none; }
  .menu-toggle {
    order: 2;
    position: relative;
    display: block;
    width: 42px;
    height: 42px;
    margin-left: auto;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-lines,
  .menu-lines::before { position: absolute; left: 9px; width: 24px; height: 1px; background: currentColor; transition: transform .3s var(--ease), top .3s var(--ease); }
  .menu-lines { top: 17px; }
  .menu-lines::before { content: ""; top: 8px; left: 0; }
  .menu-toggle[aria-expanded="true"] .menu-lines { top: 21px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-lines::before { top: 0; transform: rotate(-90deg); }
  .language-switch { order: 3; margin-left: 8px; }
  body.menu-open .site-header { color: var(--warm); background: var(--mineral); }
  body.menu-open .site-nav {
    position: fixed;
    z-index: -1;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding: 100px 36px 50px;
    color: var(--warm);
    background: var(--mineral);
  }
  body.menu-open .site-nav a,
  body.menu-open .site-nav a:not(.nav-rfq) { display: block; font-size: clamp(1.9rem, 8vw, 3.6rem); line-height: 1.05; opacity: 1; }
  .hero { min-height: 720px; }
  .hero-media img { object-position: 66% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,27,22,.98) 0%, rgba(7,27,22,.87) 54%, rgba(7,27,22,.25) 100%), linear-gradient(0deg, rgba(7,27,22,.78), transparent 52%); }
  .hero-title { font-size: clamp(3.35rem, 8.6vw, 5.5rem); }
  .hero-copy { max-width: 500px; }
  .hero-flow { right: -8%; width: 48vw; opacity: .32; }
  .position-grid,
  .section-head,
  .network-layout,
  .rfq-layout { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .display-title,
  .section-head > div:first-child,
  .network-copy,
  .rfq-copy { grid-column: 1 / -1; }
  .position-copy,
  .section-intro,
  .location-system,
  .rfq-form { grid-column: 1 / -1; }
  .position-copy,
  .section-intro { margin-top: 42px; max-width: 640px; }
  .value-card { padding-inline: 24px; }
  .location-system { margin-top: 54px; }
  .global-path { grid-template-columns: 1fr; gap: 42px; }
  .partner-card { grid-template-columns: 1fr 1.25fr; }
  .partner-identity { min-height: 260px; }
  .partner-card .case-data { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); }
  .partner-card .case-data div { padding: 22px 18px; border-right: 1px solid rgba(7,27,22,.18); border-bottom: 0; }
  .partner-card .case-data div:last-child { border-right: 0; }
  .case-card-dark .case-data div { border-color: var(--line-light); }
  .rfq-form { margin-top: 60px; }
  .footer-main { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .footer-main > p { display: none; }
}

@media (max-width: 640px) {
  :root { --page: calc(100% - 32px); }
  .intro-lockup { gap: 18px; padding: 26px 22px; }
  .intro-mark { width: 70px; }
  .intro-wordmark { font-size: 1.55rem; letter-spacing: .08em; }
  .site-header { padding-inline: 16px; }
  .brand-divider, .cn-mark { display: none; }
  .language-switch { gap: 4px; font-size: .7rem; }
  .menu-toggle { margin-left: 6px; }
  .hero { height: 100svh; min-height: 680px; }
  .hero-media img { object-position: 70% center; opacity: .82; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,27,22,.99) 0%, rgba(7,27,22,.9) 64%, rgba(7,27,22,.5) 100%), linear-gradient(0deg, rgba(7,27,22,.82), transparent 55%); }
  .hero-inner { justify-content: flex-start; padding-top: 154px; padding-bottom: 60px; }
  .hero-kicker { max-width: 300px; font-size: .67rem; line-height: 1.45; }
  .hero-title { margin: 28px 0 22px; font-size: clamp(2.7rem, 12.6vw, 4rem); line-height: .92; }
  .hero-translation { margin: -4px 0 20px; font-size: .74rem; }
  .hero-copy { max-width: 315px; font-size: .94rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; margin-top: 28px; }
  .button { width: 100%; }
  .hero-flow { display: none; }
  .section { padding: 92px 0; }
  .section-label { margin-bottom: 36px; font-size: .67rem; }
  .display-title { font-size: clamp(3rem, 14vw, 4.35rem); }
  .section-title { font-size: clamp(2.75rem, 13vw, 4.2rem); }
  .position-copy, .section-intro { margin-top: 36px; }
  .value-grid { grid-template-columns: 1fr; margin-top: 68px; }
  .value-card { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .value-card:last-child { border-bottom: 0; }
  .value-card h3 { margin-top: 58px; }
  .material-list { margin-top: 60px; }
  .material-row { grid-template-columns: 54px 1fr; gap: 10px 14px; align-items: start; padding: 28px 0; }
  .material-number { grid-row: 1 / span 3; }
  .material-row > p, .material-tags { grid-column: 2; }
  .material-row:hover { padding-inline: 0; background: transparent; }
  .material-tags { margin-top: 8px; }
  .process-track { grid-template-columns: 1fr 1fr; margin-top: 68px; }
  .process-step { min-height: 195px; padding-right: 18px; }
  .proof-statement { align-items: flex-start; }
  .proof-symbol { width: 54px; transform: scale(.8); transform-origin: left top; }
  .location-system { padding-left: 26px; }
  .location-card::before { left: -26px; }
  .global-path { margin-top: 76px; }
  .global-path ol { grid-template-columns: 1fr; gap: 0; }
  .global-path li { display: grid; grid-template-columns: 42px 1fr; align-items: center; min-height: 68px; padding: 0; }
  .global-path li::after { top: 20px; transform: rotate(90deg); }
  .global-path li span { margin: 0; }
  .case-card,
  .case-card:first-of-type { grid-template-columns: 1fr; gap: 34px; min-height: 0; margin-top: 28px; padding: 30px 24px; }
  .case-card:first-of-type { margin-top: 64px; }
  .partner-identity { min-height: 240px; }
  .partner-logo-frame { margin-top: 36px; }
  .partner-profile h3 { margin-top: 34px; }
  .partner-profile .case-links { margin-top: 34px; }
  .partner-card .case-data { grid-column: auto; grid-template-columns: 1fr 1fr; }
  .partner-card .case-data div { padding: 20px 12px 22px 0; border-right: 1px solid rgba(7,27,22,.18); border-bottom: 1px solid rgba(7,27,22,.18); }
  .partner-card .case-data div:nth-child(2n) { padding-left: 12px; border-right: 0; }
  .case-card-dark .case-data div { border-color: var(--line-light); }
  .case-data strong { font-size: 2rem; }
  .insights-grid { margin-top: 60px; }
  .insight-card summary { grid-template-columns: 1fr 26px; gap: 12px; min-height: 116px; }
  .insight-no { grid-column: 1; }
  .insight-card h3 { grid-column: 1; }
  .plus { grid-column: 2; grid-row: 1 / span 2; }
  .insight-body { margin-left: 0; padding-right: 38px; }
  .rfq-copy .display-title { font-size: clamp(3.1rem, 14vw, 4.6rem); }
  .contact-block { margin-top: 52px; }
  .rfq-form { margin-top: 52px; padding: 28px 20px; }
  .two-col { grid-template-columns: 1fr; gap: 0; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-main > a:last-child { justify-self: start; }
  .footer-bottom { grid-template-columns: 1fr; gap: 10px; }
  .footer-bottom span:nth-child(2), .footer-bottom span:last-child { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js-ready .reveal { opacity: 1; transform: none; }
}