:root {
  --green: #2d827f;
  --green-dark: #103b36;
  --ink: #12211d;
  --muted: #60706b;
  --line: #dfe7e3;
  --paper: #f7f8f6;
  --white: #ffffff;
  --warm: #d49a55;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  width: 100%;
  max-width: 100vw;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto 0;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 44px;
  color: var(--white);
  background: rgba(9, 18, 15, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(18, 33, 29, 0.08);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 116px;
}

.brand-logo {
  width: auto;
  height: 58px;
  flex: 0 0 auto;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.16));
}

.brand strong,
.brand em {
  display: block;
  font-style: normal;
}

.brand strong {
  font-size: 18px;
}

.brand em {
  margin-top: 2px;
  font-size: 11px;
  opacity: 0.72;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  white-space: nowrap;
}

.main-nav a {
  position: relative;
  padding: 30px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hotline {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  padding: 11px 19px;
  background: linear-gradient(135deg, #d49a55, #2d827f);
  box-shadow: 0 13px 28px rgba(0, 0, 0, 0.16);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
}

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

.language-menu {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
}

.language-menu select {
  height: 36px;
  min-width: 108px;
  color: inherit;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  padding: 0 30px 0 12px;
  outline: 0;
  cursor: pointer;
}

.site-header.is-scrolled .language-menu select {
  background: rgba(45, 130, 127, 0.06);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.site-header.is-scrolled .menu-toggle {
  color: var(--ink);
  background: rgba(45, 130, 127, 0.06);
}

.hero {
  position: relative;
  width: 100%;
  max-width: 100vw;
  min-height: 94vh;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.8s ease, transform 1.3s ease;
  background-image: linear-gradient(90deg, rgba(6, 16, 13, 0.82), rgba(6, 16, 13, 0.3) 48%, rgba(6, 16, 13, 0.05)), var(--hero-image);
  background-size: cover;
  background-position: center;
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 62%, rgba(255, 255, 255, 0.12), transparent 26%),
    linear-gradient(120deg, rgba(45, 130, 127, 0.14), transparent 44%);
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-slide.is-active {
  opacity: 1;
  animation: heroBreath 7s ease-out both;
}

.hero-slide.is-active::after {
  opacity: 1;
}

.hero-copy {
  position: absolute;
  left: 7vw;
  bottom: 23vh;
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-weight: 800;
  font-size: 14px;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.hero-copy .eyebrow,
.hero-copy h1,
.hero-copy .hero-text,
.hero-copy .hero-link {
  opacity: 0;
  transform: translateY(34px);
}

.hero-slide.is-active .eyebrow,
.hero-slide.is-active h1,
.hero-slide.is-active .hero-text,
.hero-slide.is-active .hero-link {
  animation: heroTextIn 0.9s cubic-bezier(.2, .82, .2, 1) forwards;
}

.hero-slide.is-active h1 {
  animation-delay: 0.12s;
}

.hero-slide.is-active .hero-text {
  animation-delay: 0.24s;
}

.hero-slide.is-active .hero-link {
  animation-delay: 0.36s;
}

.hero h1 {
  margin: 0;
  max-width: 850px;
  font-size: 72px;
  line-height: 1.05;
  font-weight: 800;
}

.title-line {
  display: inline;
}

body:not([data-lang="zh"]) .title-line + .title-line::before {
  content: " ";
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.hero-link,
.outline-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  font-weight: 800;
}

.hero-phone {
  display: inline-flex;
  align-items: center;
  margin: 34px 0 0 24px;
  padding: 13px 20px;
  color: var(--white);
  background: linear-gradient(135deg, #d49a55, #2d827f);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
  font-weight: 900;
}

.hero-link i,
.outline-link i {
  width: 38px;
  height: 38px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-style: normal;
}

.hero-progress {
  position: absolute;
  right: 54px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  display: grid;
  gap: 15px;
}

.hero-progress button {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 86px;
  border: 0;
  color: rgba(255, 255, 255, 0.58);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.hero-progress button::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
  transform-origin: left;
  transition: transform 0.35s ease;
}

.hero-progress button.is-active {
  color: var(--white);
}

.hero-progress button.is-active::before {
  animation: progressPulse 2.2s ease-in-out infinite;
}

.hero-metrics {
  position: absolute;
  left: 52px;
  right: 52px;
  bottom: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  transform: translateY(24px);
  opacity: 0;
  animation: metricsIn 0.9s cubic-bezier(.2, .82, .2, 1) 0.58s forwards;
}

.hero-metrics div {
  padding: 28px 36px;
  border-right: 1px solid var(--line);
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  color: var(--green);
  font-size: 38px;
  line-height: 1;
}

.hero-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section-pad {
  padding: 110px 7vw;
}

.values {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1fr);
  gap: 80px;
  align-items: center;
  background: var(--white);
}

.values-words {
  display: grid;
  gap: 8px;
  font-size: 86px;
  line-height: 0.95;
  font-weight: 800;
  color: var(--green-dark);
}

.values-words span {
  display: block;
  transform: translateX(-24px);
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.values-words.is-visible span {
  opacity: 1;
  transform: translateX(0);
}

.values-words.is-visible span:nth-child(2) {
  transition-delay: 0.08s;
}

.values-words.is-visible span:nth-child(3) {
  transition-delay: 0.16s;
}

.values-words.is-visible span:nth-child(4) {
  transition-delay: 0.24s;
}

.values-words span:nth-child(1) {
  color: #103b36;
}

.values-words span:nth-child(2) {
  color: #2d827f;
}

.values-words span:nth-child(3) {
  color: #d49a55;
}

.values-words span:nth-child(4) {
  color: #4f6f45;
}

.values-copy h2,
.section-heading h2,
.supply-content h2,
.cap-list h2,
.client-copy h2,
.contact h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.16;
}

.values-copy p:last-child,
.section-heading p,
.supply-content p,
.client-copy p,
.contact p {
  color: var(--muted);
  font-size: 17px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 54px;
}

.services {
  background: #eef3f0;
}

.service-stage {
  position: relative;
  min-height: 560px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 38px;
  align-items: stretch;
}

.service-word {
  position: absolute;
  top: -52px;
  left: -8px;
  color: rgba(18, 33, 29, 0.06);
  font-size: 138px;
  line-height: 1;
  font-weight: 900;
  pointer-events: none;
}

.service-visual {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: 4px;
  min-height: 560px;
}

.service-visual img,
.supply-image img,
.cap-bg img,
.client-gallery img,
.news-grid img {
  transition: transform 1.3s cubic-bezier(.2, .82, .2, 1), filter 0.6s ease;
}

.service-visual:hover .service-photo.is-active,
.supply-image:hover img,
.client-gallery figure:hover img,
.news-grid article:hover img {
  transform: scale(1.045);
}

.service-visual img,
.supply-image img,
.client-gallery img,
.news-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-photo {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity 0.75s ease, transform 1.2s cubic-bezier(.2, .82, .2, 1);
}

.service-photo.is-active {
  opacity: 1;
  transform: scale(1);
}

.service-list {
  z-index: 1;
  display: grid;
  align-content: end;
  background: var(--white);
  border: 1px solid var(--line);
}

.service-item {
  padding: 34px 38px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.35s ease, color 0.35s ease, transform 0.35s ease;
}

.service-item:last-child {
  border-bottom: 0;
}

.service-item span,
.cap-list article span {
  color: var(--green);
  font-weight: 900;
}

.service-item h3 {
  margin: 10px 0 10px;
  font-size: 30px;
}

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

.service-item.is-active {
  background: var(--green);
  color: var(--white);
  transform: translateX(-12px);
  box-shadow: 0 22px 44px rgba(45, 130, 127, 0.18);
}

.service-item.is-active span,
.service-item.is-active p {
  color: rgba(255, 255, 255, 0.8);
}

.supply-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  min-height: 650px;
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.supply-image {
  min-height: 520px;
}

.supply-mosaic {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 10px;
}

.supply-mosaic img {
  min-height: 0;
  border-radius: 3px;
  filter: saturate(0.98) contrast(1.02);
}

.supply-mosaic img:first-child {
  grid-row: span 3;
}

.supply-mosaic img:nth-child(2) {
  grid-row: span 1;
}

.supply-mosaic img:nth-child(3),
.supply-mosaic img:nth-child(4) {
  grid-row: span 1;
}

.supply-content {
  padding: 96px 7vw 96px 70px;
  align-self: center;
}

.supply-content p {
  color: rgba(255, 255, 255, 0.7);
}

.supply-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.supply-grid span {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.supply-grid span:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.08);
}

.capabilities {
  position: relative;
  min-height: 760px;
  color: var(--white);
  overflow: hidden;
}

.cap-bg {
  position: absolute;
  inset: 0;
}

.cap-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(7, 18, 15, 0.74);
}

.cap-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cap-list {
  position: relative;
  z-index: 1;
  width: min(900px, 86vw);
  margin-left: auto;
  padding: 105px 7vw 105px 0;
}

.cap-list .section-kicker,
.cap-list .outline-link {
  color: rgba(255, 255, 255, 0.82);
}

.cap-list article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 28px;
  padding: 29px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  transition: padding-left 0.35s ease, background 0.35s ease;
}

.cap-list article:hover {
  padding-left: 22px;
  background: rgba(255, 255, 255, 0.055);
}

.cap-list article:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
}

.cap-list h3 {
  margin: 0 0 9px;
  font-size: 30px;
}

.cap-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
}

.clients {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 70px;
  align-items: center;
  background: var(--white);
}

.client-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.client-gallery figure {
  position: relative;
  min-height: 210px;
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink);
}

.client-gallery figure:nth-child(1),
.client-gallery figure:nth-child(4) {
  grid-row: span 2;
}

.client-gallery figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 10px;
  color: var(--white);
  background: rgba(16, 59, 54, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(8px);
}

.client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.client-tags span {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: transform 0.28s ease, background 0.28s ease, color 0.28s ease;
}

.client-tags span:hover {
  transform: translateY(-4px);
  background: var(--green);
  color: var(--white);
}

.certifications {
  background: #eef3f0;
}

.cases {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--green-dark);
}

.cases::before {
  content: "CLIENTS";
  position: absolute;
  right: -1vw;
  top: 28px;
  color: rgba(255, 255, 255, 0.045);
  font-size: clamp(76px, 13vw, 190px);
  line-height: 1;
  font-weight: 900;
}

.cases .section-heading {
  position: relative;
  z-index: 1;
}

.cases .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.case-logo-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.case-logo-grid figure {
  min-height: 192px;
  margin: 0;
  padding: 22px;
  display: grid;
  align-content: space-between;
  gap: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  overflow: hidden;
  transition: transform 0.36s ease, border-color 0.36s ease, box-shadow 0.36s ease;
}

.case-logo-grid figure:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.48);
  box-shadow: 0 28px 54px rgba(0, 0, 0, 0.22);
}

.case-logo-grid img {
  width: 100%;
  height: 124px;
  object-fit: contain;
  mix-blend-mode: normal;
}

.case-logo-grid figcaption {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--white);
}

.cert-grid figure {
  min-height: 310px;
  margin: 0;
  padding: 22px;
  border-right: 1px solid var(--line);
  display: grid;
  align-content: space-between;
  justify-items: center;
  gap: 18px;
  transition: transform 0.35s ease, background 0.35s ease;
}

.cert-grid figure:hover {
  transform: translateY(-8px);
  background: #f8fbf9;
}

.cert-grid figure:last-child {
  border-right: 0;
}

.cert-grid img {
  width: 150px;
  height: 210px;
  object-fit: contain;
  filter: drop-shadow(0 12px 20px rgba(18, 33, 29, 0.12));
}

.cert-grid figcaption {
  display: grid;
  gap: 7px;
  text-align: center;
}

.cert-grid strong {
  color: var(--green);
  font-size: 30px;
}

.cert-grid span {
  color: var(--muted);
}

.news {
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.news-grid article {
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.news-grid article:hover {
  transform: translateY(-10px);
  border-color: rgba(45, 130, 127, 0.42);
  box-shadow: 0 26px 52px rgba(18, 33, 29, 0.12);
}

.news-grid img {
  aspect-ratio: 1.35;
}

.news-grid time {
  display: block;
  margin: 24px 24px 12px;
  color: var(--muted);
  font-size: 14px;
}

.news-grid h3 {
  min-height: 84px;
  margin: 0 24px;
  font-size: 22px;
  line-height: 1.35;
}

.news-grid p {
  min-height: 72px;
  margin: 14px 24px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.news-grid span {
  display: block;
  margin: 24px;
  color: var(--green);
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 70px;
  padding: 95px 7vw;
  color: var(--white);
  background: var(--green-dark);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  inset: -35% auto auto -12%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.contact > * {
  position: relative;
  z-index: 1;
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

address {
  display: grid;
  gap: 12px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  font-style: normal;
}

address strong {
  font-size: 22px;
  margin-bottom: 8px;
}

.quick-aside {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 15;
  display: grid;
  border: 1px solid rgba(212, 154, 85, 0.36);
  background: rgba(16, 59, 54, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.22);
}

.quick-aside a {
  min-width: 92px;
  padding: 15px 13px;
  text-align: center;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 12px;
  font-weight: 800;
  transition: background 0.25s ease, color 0.25s ease;
}

.quick-aside a:hover {
  background: var(--warm);
  color: var(--white);
}

.quick-aside a:last-child {
  border-bottom: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 7vw;
  color: rgba(255, 255, 255, 0.72);
  background: #081310;
}

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

.site-footer p {
  margin: 0;
}

.reveal-ready {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 0.85s cubic-bezier(.2, .82, .2, 1), transform 0.85s cubic-bezier(.2, .82, .2, 1);
}

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

.reveal-clip {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1s cubic-bezier(.2, .82, .2, 1);
}

.reveal-clip.is-visible {
  clip-path: inset(0 0 0 0);
}

@keyframes heroBreath {
  0% {
    transform: scale(1.055);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes heroTextIn {
  0% {
    opacity: 0;
    transform: translateY(34px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes metricsIn {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes progressPulse {
  0%, 100% {
    transform: scaleX(1);
  }
  50% {
    transform: scaleX(1.45);
  }
}

@keyframes floatWord {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 1120px) {
  .site-header {
    padding: 0 24px;
  }

  .main-nav {
    position: fixed;
    inset: 78px 18px auto 18px;
    display: none;
    padding: 18px;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(18, 33, 29, 0.16);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .main-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hotline {
    display: none;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-progress {
    right: 24px;
  }

  .hero-metrics {
    left: 24px;
    right: 24px;
  }

  .values,
  .service-stage,
  .supply-band,
  .clients,
  .contact {
    grid-template-columns: 1fr;
  }

  .supply-content {
    padding: 64px 7vw;
  }

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

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

@media (max-width: 720px) {
  .site-header {
    height: 68px;
    padding: 0 18px;
    width: 100vw;
  }

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

  .brand em {
    display: none;
  }

  .brand {
    min-width: 124px;
    gap: 8px;
  }

  .brand-logo {
    height: 52px;
  }

  .header-actions {
    margin-left: auto;
    gap: 8px;
  }

  .language-menu span {
    display: none;
  }

  .language-menu select {
    min-width: 78px;
    height: 34px;
    padding: 0 20px 0 8px;
    font-size: 12px;
  }

  .menu-toggle {
    display: inline-flex;
    position: static;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
    z-index: 2;
  }

  .hero {
    min-height: 860px;
  }

  .hero-copy {
    left: 18px;
    right: 18px;
    bottom: 360px;
    width: calc(100vw - 36px);
    max-width: none;
  }

  .hero h1 {
    max-width: 100%;
    font-size: 32px;
    line-height: 1.14;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .title-line {
    display: block;
  }

  body:not([data-lang="zh"]) .title-line + .title-line::before {
    content: "";
  }

  .hero-text {
    max-width: min(322px, calc(100vw - 36px));
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .hero-phone {
    margin: 18px 0 0;
    padding: 11px 15px;
    font-size: 13px;
  }

  .hero-progress {
    top: auto;
    right: auto;
    left: 18px;
    bottom: 308px;
    transform: none;
    grid-template-columns: repeat(4, 1fr);
  }

  .hero-progress button {
    width: auto;
  }

  .hero-progress button::before {
    width: 20px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    left: 0;
    right: 0;
  }

  .hero-metrics div {
    padding: 13px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-metrics strong {
    font-size: 31px;
  }

  .section-pad {
    padding: 72px 24px;
  }

  .values-words {
    font-size: 50px;
  }

  .values-copy h2,
  .section-heading h2,
  .supply-content h2,
  .cap-list h2,
  .client-copy h2,
  .contact h2 {
    font-size: 32px;
  }

  .service-word {
    font-size: 72px;
    top: -24px;
  }

  .service-stage {
    min-height: 0;
  }

  .service-visual {
    min-height: 300px;
  }

  .supply-mosaic {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .supply-mosaic img,
  .supply-mosaic img:first-child,
  .supply-mosaic img:nth-child(2),
  .supply-mosaic img:nth-child(3),
  .supply-mosaic img:nth-child(4) {
    grid-row: auto;
    min-height: 190px;
  }

  .service-item {
    padding: 25px;
  }

  .service-item h3,
  .cap-list h3 {
    font-size: 24px;
  }

  .supply-grid,
  .cert-grid,
  .case-logo-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .cap-list {
    width: auto;
    padding: 72px 24px;
  }

  .cap-list article {
    grid-template-columns: 46px 1fr;
    gap: 16px;
  }

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

  .client-gallery figure {
    min-height: 176px;
  }

  .client-gallery figure:nth-child(1),
  .client-gallery figure:nth-child(4) {
    grid-row: auto;
  }

  .case-logo-grid figure {
    min-height: 172px;
  }

  .case-logo-grid img {
    height: 112px;
  }

  .cert-grid figure {
    min-height: 280px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contact {
    padding: 72px 24px;
  }

  .quick-aside {
    display: none;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 30px 24px;
  }
}

.legacy-page {
  background: #f6f3eb;
  color: var(--ink);
}

.subpage-header .main-nav a.is-active,
.subpage-header .main-nav a:hover {
  color: var(--green);
}

.legacy-hero {
  min-height: 380px;
  padding: 150px clamp(24px, 6vw, 88px) 78px;
  display: grid;
  align-content: end;
  gap: 14px;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(10, 30, 25, 0.84), rgba(10, 30, 25, 0.42)),
    url("../images/hero-dining.png") center / cover;
}

.legacy-hero p,
.legacy-hero h1,
.legacy-hero span {
  margin: 0;
}

.legacy-hero p {
  color: var(--fresh);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.legacy-hero h1 {
  max-width: 780px;
  font-size: clamp(42px, 7vw, 90px);
  line-height: 0.95;
}

.legacy-hero span {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.legacy-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(56px, 7vw, 96px) clamp(24px, 6vw, 88px);
  align-items: start;
}

.legacy-side-nav {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 18px;
}

.legacy-side-nav section {
  padding: 18px 0;
  border-top: 1px solid rgba(37, 58, 51, 0.18);
}

.legacy-side-nav h2 {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 14px;
}

.legacy-side-nav a {
  display: block;
  padding: 9px 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.legacy-side-nav a.is-current,
.legacy-side-nav a:hover {
  color: var(--ink);
}

.legacy-content {
  min-height: 520px;
  padding: clamp(28px, 4vw, 54px);
  background: var(--white);
  border: 1px solid rgba(37, 58, 51, 0.12);
}

.legacy-breadcrumb {
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.legacy-breadcrumb a {
  color: var(--green);
  font-weight: 800;
}

.legacy-content p,
.legacy-content li,
.legacy-content td {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.9;
}

.legacy-content p {
  margin: 0 0 18px;
}

.legacy-content strong {
  color: var(--green);
}

.legacy-content table {
  width: 100%;
  border-collapse: collapse;
}

.legacy-content td {
  padding: 8px 12px 8px 0;
  vertical-align: top;
}

.legacy-content img {
  max-width: min(100%, 420px);
  height: auto;
  margin: 8px 20px 18px 0;
  border-radius: 4px;
}

.legacy-content a {
  color: var(--green);
  font-weight: 800;
}

.legacy-sitemap-group {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.legacy-sitemap-group h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

.legacy-sitemap-group ul {
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 980px) {
  .legacy-layout {
    grid-template-columns: 1fr;
  }

  .legacy-side-nav {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .legacy-hero {
    min-height: 320px;
    padding: 122px 24px 56px;
  }

  .legacy-layout {
    padding: 44px 20px;
  }

  .legacy-side-nav {
    grid-template-columns: 1fr;
  }

  .legacy-content {
    padding: 24px 18px;
  }

  .legacy-content table,
  .legacy-content tbody,
  .legacy-content tr,
  .legacy-content td {
    display: block;
    width: 100%;
  }
}