:root {
  --brand: #0b58ad;
  --brand-dark: #06478d;
  --about-blue: #0b58ad;
  --ink: #2f343b;
  --white: #fff;
  --focus: #ffbf47;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 1200px;
  scroll-behavior: auto;
  scrollbar-width: none;
  background: #fff;
}

html::-webkit-scrollbar {
  display: none;
}

body {
  margin: 0;
  min-width: 1200px;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fff;
}

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

button,
input,
textarea {
  font: inherit;
}

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

.page-shell {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.art-section,
.site-header,
.site-footer {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.section-art {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border: 0;
  user-select: none;
}

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

.hotspot {
  position: absolute;
  z-index: 5;
  display: block;
  color: transparent;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-decoration: none;
}

.hotspot:focus-visible,
.nav-hotspots a:focus-visible,
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.nav-hotspots {
  position: absolute;
  z-index: 10;
  top: 0;
  right: 12.2%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 43.2%;
  max-width: 750px;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-hotspots li,
.nav-hotspots a {
  display: block;
  width: 100%;
  height: 100%;
}

.nav-hotspots a {
  color: transparent;
  text-decoration: none;
}

.back-to-top {
  top: 14%;
  right: 12.3%;
  width: 4.2%;
  height: 18%;
  min-width: 44px;
  min-height: 44px;
}

.products-category-nav {
  height: 5.9375vw;
  background: #dcdcdc;
}

.products-tabs {
  position: absolute;
  z-index: 5;
  inset: 0 auto 0 13.5417vw;
  display: grid;
  grid-template-columns: 14.3229vw 14.1667vw 14.2708vw 15.0521vw 15.625vw;
  width: 73.4375vw;
}

.products-tabs a {
  display: grid;
  place-items: center;
  color: #595758;
  font-size: 1.5625vw;
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  background: #dcdcdc;
}

.products-tabs a.is-current {
  color: #fff;
  font-weight: 700;
  background: #154576;
}

.products-tabs a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -5px;
}

.product-grid-hotspots {
  position: absolute;
  z-index: 5;
  top: 7%;
  left: 12%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4% 2%;
  width: 76%;
  height: 84%;
}

.product-grid-hotspots a,
.news-grid-hotspots a,
.news-grid-bottom-hotspots a {
  display: block;
  color: transparent;
  text-decoration: none;
}

.detail-anchor-hotspots {
  position: absolute;
  z-index: 6;
  top: 6%;
  right: 11%;
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  width: 18%;
  height: 78%;
}

.detail-anchor-hotspots a {
  display: block;
  color: transparent;
}

.home-product-links {
  position: absolute;
  z-index: 6;
  top: 5%;
  left: 27%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 62%;
  height: 14%;
}

.home-product-links a,
.home-news-links a {
  display: block;
  color: transparent;
  text-decoration: none;
}

.home-product-detail {
  top: 57%;
  left: 52%;
  width: 13%;
  height: 8%;
}

.home-news-links {
  position: absolute;
  z-index: 6;
  top: 25%;
  left: 11%;
  display: grid;
  grid-template-columns: 1.1fr 0.7fr 0.7fr;
  grid-template-rows: repeat(2, 1fr);
  gap: 2%;
  width: 78%;
  height: 63%;
}

.news-grid-hotspots {
  position: absolute;
  z-index: 6;
  top: 2%;
  left: 11.5%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 4% 2.4%;
  width: 77%;
  height: 96%;
}

.news-grid-bottom-hotspots {
  position: absolute;
  z-index: 6;
  top: 23%;
  left: 11.5%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4%;
  width: 77%;
  height: 51%;
}

.news-pagination {
  position: absolute;
  z-index: 7;
  bottom: 6%;
  left: 42%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: 16%;
  height: 8%;
}

.news-pagination button {
  color: transparent;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.article-back {
  right: 18%;
  bottom: 7%;
  width: 12%;
  height: 8%;
}

.contact-form {
  position: absolute;
  z-index: 8;
  top: 18%;
  left: 50.8%;
  width: 34.5%;
  height: 55%;
}

.contact-form input,
.contact-form textarea {
  position: absolute;
  color: #333;
  background: transparent;
  border: 0;
  border-radius: 8px;
  outline: 0;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form input:not(:placeholder-shown),
.contact-form textarea:not(:placeholder-shown) {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 0 0 2px rgba(11, 88, 173, 0.35);
}

.contact-form .field-name,
.contact-form .field-phone,
.contact-form .field-captcha {
  left: 0;
}

.contact-form .field-email,
.contact-form .field-country {
  right: 0;
}

.contact-form .field-name,
.contact-form .field-email {
  top: 15%;
}

.contact-form .field-phone,
.contact-form .field-country {
  top: 29%;
}

.contact-form input {
  width: 47.5%;
  height: 11%;
  padding: 0 3%;
}

.contact-form .field-message {
  top: 43%;
  left: 0;
  width: 100%;
  height: 29%;
  padding: 3%;
  resize: none;
}

.contact-form .field-captcha {
  bottom: 8%;
  width: 47.5%;
  height: 10%;
  padding: 0 3%;
}

.contact-form .submit-contact {
  right: 0;
  bottom: 7%;
  width: 24%;
  height: 11%;
  color: transparent;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.toast {
  position: fixed;
  z-index: 100;
  right: 32px;
  bottom: 32px;
  padding: 14px 22px;
  color: #fff;
  background: rgba(8, 70, 137, 0.96);
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

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

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

  .toast {
    transition: none;
  }
}

/* About page: layered PSD rebuilt as semantic HTML and source assets. */
.about-page {
  --about-blue: #0b58ad;
  --about-text: #3d4146;
  --about-muted: #666b72;
}

.about-page .page-shell {
  background: #fff;
}

.about-header {
  position: relative;
  z-index: 20;
  width: 100%;
  height: 5.2604vw;
  min-height: 63px;
  background: #fff;
}

.about-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 76.6667%;
  height: 100%;
  margin: 0 auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand-lockup img {
  display: block;
  width: auto;
  max-width: none;
}

.brand-lockup--header {
  gap: 0.4167vw;
}

.brand-lockup--header img:first-child {
  height: 2.1354vw;
  min-height: 25.6px;
}

.brand-lockup--header img:last-child {
  height: 1.875vw;
  min-height: 22.5px;
}

.about-nav ul {
  display: flex;
  align-items: stretch;
  gap: 3.0208vw;
  height: 5.2604vw;
  min-height: 63px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-nav {
  display: flex;
  align-items: stretch;
  gap: clamp(16px, 1.4583vw, 28px);
}

.language-switcher {
  display: flex;
  align-items: center;
  align-self: center;
}

.language-switcher__label {
  display: none;
}

.language-switcher__options {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: #f0f4f8;
  border: 1px solid #dce5ee;
  border-radius: 999px;
}

.language-switcher__current,
.about-nav .language-switcher a {
  display: grid;
  place-items: center;
  min-width: 32px;
  height: 28px;
  padding: 0 7px;
  color: #52606d;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border-radius: 999px;
}

.language-switcher__current {
  color: #fff;
  background: var(--brand);
}

.about-nav .language-switcher a:hover {
  color: var(--brand);
  background: #fff;
}

.about-nav .language-switcher a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.about-nav li,
.about-nav a {
  height: 100%;
}

.about-nav__item {
  position: relative;
}

.about-nav__submenu-toggle {
  display: none;
}

.about-nav a {
  position: relative;
  display: flex;
  align-items: center;
  color: #33383e;
  font-size: clamp(13px, 0.9375vw, 18px);
  font-weight: 400;
  text-decoration: none;
  white-space: nowrap;
}

.about-nav a:hover,
.about-nav a:focus-visible,
.about-nav a.is-current,
.about-nav__item.is-current-parent > a {
  color: var(--about-blue);
  font-weight: 600;
}

.about-nav a.is-current::after,
.about-nav__item.is-current-parent > a::after {
  position: absolute;
  right: 20%;
  bottom: 1.5625vw;
  left: 20%;
  height: 3px;
  content: "";
  background: var(--about-blue);
}

.about-nav__submenu {
  position: absolute;
  z-index: 20;
  top: calc(100% - 1px);
  left: 50%;
  display: none;
  min-width: 180px;
  padding: 8px 0;
  background: #fff;
  border-top: 3px solid var(--about-blue);
  box-shadow: 0 12px 28px rgba(12, 55, 99, 0.16);
  transform: translateX(-50%);
}

.about-nav__submenu a {
  display: flex;
  height: auto;
  min-height: 42px;
  padding: 0 20px;
  font-size: 15px;
}

.about-nav__submenu a::after {
  display: none;
}

.about-nav__item:hover > .about-nav__submenu,
.about-nav__item:focus-within > .about-nav__submenu {
  display: block;
}

.about-nav a:focus-visible,
.about-footer a:focus-visible,
.about-back-to-top:focus-visible,
.brand-lockup:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.about-main > section {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.about-hero {
  height: 36.0417vw;
  min-height: 432.5px;
  color: #fff;
  background: #4d3a32 url("../assets/about/hero-background.png") center top / cover no-repeat;
}

.about-hero::before,
.about-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
}

.about-hero::before {
  background: rgba(7, 22, 43, 0.1);
}

.about-hero::after {
  right: auto;
  width: 59%;
  background: rgba(6, 66, 132, 0.08);
}

.about-hero__content {
  position: absolute;
  z-index: 2;
  top: 12.7604vw;
  left: 10.8333vw;
}

.about-hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(54px, 5.2083vw, 100px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.025em;
  text-shadow: 0 0.1563vw 0.4167vw rgba(0, 0, 0, 0.3);
}

.about-hero p {
  margin: 2.0833vw 0 0;
  color: #fff;
  font-size: clamp(26px, 2.5vw, 48px);
  font-weight: 500;
  letter-spacing: 0.07em;
  text-shadow: 0 0.1042vw 0.3125vw rgba(0, 0, 0, 0.26);
}

.about-hero__watermark {
  position: absolute;
  z-index: 2;
  right: 3.125vw;
  bottom: 1.3542vw;
  color: rgba(255, 255, 255, 0.16);
  font-size: clamp(28px, 3.0208vw, 58px);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.about-intro {
  height: 44.375vw;
  min-height: 532.5px;
  color: var(--about-text);
  background: #fff;
}

.about-intro__copy {
  position: absolute;
  z-index: 2;
  top: 5.4688vw;
  left: 10.8333vw;
  width: 40.1042vw;
}

.about-heading {
  position: relative;
  margin: 0;
  color: #353a40;
  font-size: clamp(26px, 2.0833vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.06em;
}

.about-heading::after {
  display: block;
  width: 7.7604vw;
  height: 0.3646vw;
  min-height: 4px;
  margin-top: 0.7813vw;
  content: "";
  background: var(--about-blue);
}

.about-heading--center {
  text-align: center;
}

.about-heading--center::after {
  width: 4.4792vw;
  margin-right: auto;
  margin-left: auto;
}

.about-intro__paragraphs {
  margin-top: 1.875vw;
}

.about-intro__paragraphs p {
  margin: 0 0 0.9375vw;
  color: #555b62;
  font-size: clamp(13px, 0.8333vw, 16px);
  font-weight: 400;
  line-height: 1.9;
  text-align: justify;
}

.about-intro__paragraphs img {
  max-width: 100%;
  height: auto;
}

.about-intro__image {
  position: absolute;
  top: 4.4792vw;
  right: 0;
  width: 45vw;
  height: 31.1979vw;
  object-fit: cover;
}

.about-capabilities {
  position: absolute;
  z-index: 4;
  right: 9.375vw;
  bottom: 2.6042vw;
  left: 9.375vw;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-capabilities li {
  min-width: 0;
  padding: 0 4.1667vw;
  text-align: center;
}

.about-capabilities li + li {
  border-left: 1px solid #2f7bc8;
}

.about-capabilities strong,
.about-capabilities span {
  display: block;
}

.about-capabilities strong {
  color: #3d444c;
  font-size: clamp(17px, 1.25vw, 24px);
  font-weight: 600;
  line-height: 1.35;
}

.about-capabilities span {
  margin-top: 0.5208vw;
  color: #777d84;
  font-size: clamp(10px, 0.625vw, 12px);
  line-height: 1.65;
}

.about-values {
  height: 21.0938vw;
  min-height: 253px;
  background: #fff;
}

.about-values > ul {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 19.8438vw;
  min-height: 238px;
  margin: 0;
  padding: 0;
  color: #fff;
  list-style: none;
  background: #28303a url("../assets/about/values-photo.png") center / cover no-repeat;
}

.about-values li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(17, 24, 34, 0.25);
}

.about-values li.is-primary {
  background: rgba(6, 81, 164, 0.83);
}

.about-values li::after {
  width: 10.625vw;
  height: 1px;
  margin-top: 1.0417vw;
  content: "";
  background: rgba(255, 255, 255, 0.48);
}

.about-values strong {
  font-size: clamp(18px, 1.4583vw, 28px);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.about-values span {
  order: 2;
  margin-top: 1.0417vw;
  font-size: clamp(12px, 0.9375vw, 18px);
  letter-spacing: 0.04em;
}

.about-production {
  height: 77.9167vw;
  min-height: 935px;
  background: #fff;
}

.about-section-intro {
  position: absolute;
  z-index: 10;
  top: 4.4271vw;
  right: 0;
  left: 0;
  text-align: center;
}

.about-section-intro p {
  margin: 1.25vw 0 0;
  color: #4d535a;
  font-size: clamp(13px, 0.8854vw, 17px);
  line-height: 1.65;
}

.production-gallery {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
}

.production-gallery__item {
  position: absolute;
  margin: 0;
}

.production-gallery__item img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: fill;
}

.production-gallery__item--top-left {
  top: 20.9896vw;
  left: 10.8854vw;
  width: 25.2083vw;
  height: 16.3542vw;
}

.production-gallery__item--middle-left {
  top: 39.5313vw;
  left: 10.8854vw;
  width: 25.2083vw;
  height: 16.4583vw;
}

.production-gallery__item--hero {
  top: 20.9896vw;
  left: 38.125vw;
  width: 52.1354vw;
  height: 35vw;
}

.production-gallery__item--bottom-left {
  top: 57.4479vw;
  left: 10.8854vw;
  width: 25.2083vw;
  height: 16.4063vw;
}

.production-gallery__item--bottom-middle {
  top: 57.4479vw;
  left: 38.125vw;
  width: 25.2083vw;
  height: 16.4063vw;
}

.production-gallery__item--bottom-right {
  top: 57.4479vw;
  left: 65.0521vw;
  width: 25.2083vw;
  height: 16.4063vw;
}

.about-quality {
  height: 49.1667vw;
  min-height: 590px;
  background: #fff;
}

.about-section-intro--quality {
  top: 2.4479vw;
}

.quality-gallery {
  position: absolute;
  top: 13.6458vw;
  right: 10.3125vw;
  left: 10.3125vw;
  height: 28.8542vw;
  margin: 0;
}

.quality-gallery img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-certificates {
  height: 55.9896vw;
  min-height: 671.9px;
  background: #eef1f4 url("../assets/about/certificates-background.png") center top / 100% auto no-repeat;
}

.about-certificates__copy {
  position: absolute;
  z-index: 4;
  top: 4.9479vw;
  left: 10.8333vw;
}

.about-certificates__copy p {
  margin: 3.8021vw 0 0;
  color: #4f565e;
  font-size: clamp(15px, 1.0417vw, 20px);
  line-height: 1.8;
}

.about-certificates__image {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 36.4583vw;
  width: 63.5417vw;
  height: 55.9896vw;
  object-fit: cover;
}

.about-footer {
  position: relative;
  height: 27.8125vw;
  min-height: 334px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.84);
  background: #282d33;
}

.about-footer__skyline {
  position: absolute;
  inset: 0 0 auto;
  width: 100%;
  height: 23.5417vw;
  object-fit: cover;
  opacity: 0.62;
  pointer-events: none;
}

.about-footer__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  width: 72.0833vw;
  margin: 0 auto;
  padding-top: 5.1042vw;
}

.brand-lockup--footer {
  gap: 0.7813vw;
}

.brand-lockup--footer img:first-child {
  height: 3.3854vw;
}

.brand-lockup--footer img:last-child {
  height: 2.9167vw;
}

.about-footer__brand nav {
  display: flex;
  align-items: center;
  gap: 0.6771vw;
  margin-top: 1.7708vw;
  font-size: clamp(12px, 0.8333vw, 16px);
}

.about-footer a {
  color: inherit;
  text-decoration: none;
}

.about-footer a:hover {
  color: #fff;
}

.about-footer__brand > p {
  margin: 2.9688vw 0 0;
  font-size: clamp(12px, 0.8333vw, 16px);
}

.about-footer__contact {
  margin: 4.9479vw 0 0 6.7708vw;
  font-size: clamp(12px, 0.8333vw, 16px);
  font-style: normal;
  line-height: 1.8;
}

.about-footer__contact p {
  margin: 0 0 0.8333vw;
}

.about-footer__contact p:first-child {
  font-size: clamp(15px, 1.1458vw, 22px);
  font-weight: 600;
}

.about-footer__copyright {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 1.4583vw;
  left: 0;
  margin: 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: clamp(9px, 0.625vw, 12px);
  text-align: center;
}

.about-back-to-top {
  position: absolute;
  z-index: 6;
  top: 3.75vw;
  right: 10.9375vw;
  display: grid;
  place-items: center;
  width: 3.125vw;
  min-width: 44px;
  height: 3.125vw;
  min-height: 44px;
  color: #fff;
  font-size: clamp(18px, 1.25vw, 24px);
  background: var(--about-blue);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  .about-page * {
    scroll-behavior: auto;
  }
}

/* Shared responsive layer. Desktop rules above remain untouched. */
.mobile-nav-toggle {
  display: none;
}

/* Keep the shared desktop navigation visible while the page scrolls. */
@media (min-width: 1200px) {
  .page-shell {
    overflow: clip;
  }

  .page-shell > .about-header {
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 18px rgba(12, 55, 99, 0.12);
  }
}

@media (max-width: 1199px) {
  html,
  body {
    min-width: 0;
    overflow-x: clip;
  }

  .page-shell {
    overflow: clip;
  }

  .about-header,
  .home-page .about-header,
  .inner-page .about-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: 64px;
    min-height: 64px;
    box-shadow: 0 1px 0 rgba(12, 55, 99, 0.1);
  }

  .about-header__inner {
    width: 100%;
    padding: 0 20px;
  }

  .brand-lockup--header {
    gap: 7px;
  }

  .brand-lockup--header img:first-child {
    height: 34px;
    min-height: 0;
  }

  .brand-lockup--header img:last-child {
    height: 29px;
    min-height: 0;
  }

  .mobile-nav-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 10px;
    color: #0753aa;
    background: transparent;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
  }

  .mobile-nav-toggle::before,
  .mobile-nav-toggle::after,
  .mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    content: "";
    background: currentColor;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .mobile-nav-toggle span {
    margin: 5px 0;
  }

  .about-header.is-menu-open .mobile-nav-toggle::before {
    transform: translateY(7px) rotate(45deg);
  }

  .about-header.is-menu-open .mobile-nav-toggle span {
    opacity: 0;
  }

  .about-header.is-menu-open .mobile-nav-toggle::after {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav-toggle:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
  }

  .about-nav {
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    overscroll-behavior: contain;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 24px rgba(12, 55, 99, 0.14);
    opacity: 0;
    pointer-events: none;
    transition: max-height 220ms ease, opacity 180ms ease;
  }

  .about-header.is-menu-open .about-nav {
    max-height: calc(100vh - 64px);
    max-height: calc(100dvh - 64px);
    overflow-y: auto;
    opacity: 1;
    pointer-events: auto;
    -webkit-overflow-scrolling: touch;
  }

  .about-nav ul {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 8px 20px 16px;
  }

  .about-nav li,
  .about-nav a {
    height: auto;
  }

  .about-nav a {
    min-height: 52px;
    padding: 0 8px;
    font-size: 16px;
    border-bottom: 1px solid #e7edf4;
  }

  .about-nav a.is-current::after,
  .about-nav__item.is-current-parent > a::after {
    top: 14px;
    right: auto;
    bottom: 14px;
    left: 0;
    width: 3px;
    height: auto;
  }

  .about-nav__submenu {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 0 18px;
    background: #f7f9fb;
    border-top: 0;
    box-shadow: none;
    transform: none;
  }

  .about-nav__item.is-submenu-open > .about-nav__submenu {
    display: grid;
  }

  .about-nav__submenu-toggle {
    position: absolute;
    z-index: 2;
    top: 8px;
    right: 20px;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    color: #475563;
    font-size: 22px;
    background: #f0f4f8;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
  }

  .about-nav__submenu-toggle span {
    transition: transform 180ms ease;
  }

  .about-nav__item.is-submenu-open > .about-nav__submenu-toggle span {
    transform: rotate(180deg);
  }

  .about-nav__submenu a {
    min-height: 44px;
    padding-left: 18px;
    font-size: 15px;
  }

  .language-switcher {
    align-self: stretch;
    justify-content: space-between;
    width: auto;
    min-height: 58px;
    margin: 0 20px;
    padding: 8px;
    border-top: 1px solid #e7edf4;
  }

  .language-switcher__label {
    display: inline;
    color: #475563;
    font-size: 15px;
  }

  .language-switcher__options {
    flex: 0 0 auto;
  }

  .language-switcher__current,
  .about-nav .language-switcher a {
    min-width: 42px;
    height: 32px;
    min-height: 32px;
    padding: 0 7px;
    font-size: 14px;
    border-bottom: 0;
  }

  body.nav-open {
    position: fixed;
    right: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
  }

  body.nav-open .about-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
  }

  .about-hero {
    height: 420px;
    min-height: 0;
    background-position: 58% center;
  }

  .about-hero__content {
    top: auto;
    right: 24px;
    bottom: 72px;
    left: 24px;
  }

  .about-hero h1 {
    font-size: clamp(42px, 12vw, 58px);
    line-height: 1.08;
  }

  .about-hero p {
    margin-top: 18px;
    font-size: clamp(20px, 5.5vw, 27px);
    line-height: 1.4;
  }

  .about-hero__watermark {
    right: 20px;
    bottom: 18px;
    font-size: 24px;
  }

  .about-intro,
  .about-values,
  .about-production,
  .about-quality,
  .about-certificates {
    height: auto;
    min-height: 0;
  }

  .about-intro {
    display: flex;
    flex-direction: column;
    padding: 52px 24px;
  }

  .about-intro__copy,
  .about-intro__image,
  .about-capabilities {
    position: static;
    width: 100%;
  }

  .about-heading {
    font-size: clamp(28px, 8vw, 38px);
  }

  .about-heading::after {
    width: 92px;
    height: 5px;
    margin-top: 10px;
  }

  .about-heading--center::after {
    width: 64px;
  }

  .about-intro__paragraphs {
    margin-top: 26px;
  }

  .about-intro__paragraphs p {
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.8;
    text-align: left;
  }

  .about-intro__image {
    height: auto;
    margin-top: 20px;
    border-radius: 2px;
  }

  .about-capabilities {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 30px;
  }

  .about-capabilities li {
    padding: 22px 8px;
  }

  .about-capabilities li + li {
    border-top: 1px solid #d8e3ef;
    border-left: 0;
  }

  .about-capabilities strong {
    font-size: 21px;
  }

  .about-capabilities span {
    margin-top: 8px;
    font-size: 14px;
  }

  .about-values > ul {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    height: auto;
    min-height: 0;
    background-position: center;
  }

  .about-values li {
    min-height: 172px;
    padding: 24px 14px;
  }

  .about-values li::after {
    width: 72%;
    margin-top: 12px;
  }

  .about-values strong {
    font-size: 21px;
  }

  .about-values span {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.55;
    text-align: center;
  }

  .about-production,
  .about-quality {
    padding: 52px 20px;
  }

  .about-section-intro,
  .about-section-intro--quality {
    position: static;
    text-align: center;
  }

  .about-section-intro p {
    margin-top: 20px;
    font-size: 15px;
    line-height: 1.75;
  }

  .production-gallery {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 34px;
  }

  .production-gallery__item,
  .production-gallery__item--top-left,
  .production-gallery__item--middle-left,
  .production-gallery__item--hero,
  .production-gallery__item--bottom-left,
  .production-gallery__item--bottom-middle,
  .production-gallery__item--bottom-right {
    position: static;
    width: auto;
    height: auto;
  }

  .production-gallery__item--hero {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .production-gallery__item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1.54 / 1;
    object-fit: cover;
  }

  .production-gallery__item--hero img {
    aspect-ratio: 1.49 / 1;
  }

  .quality-gallery {
    position: static;
    height: auto;
    margin: 32px 0 0;
  }

  .quality-gallery img {
    height: auto;
  }

  .about-certificates {
    display: flex;
    flex-direction: column;
    padding: 52px 24px 0;
    background-size: auto 100%;
  }

  .about-certificates__copy,
  .about-certificates__image {
    position: static;
    width: 100%;
    height: auto;
  }

  .about-certificates__copy p {
    margin-top: 24px;
    font-size: 16px;
    line-height: 1.75;
  }

  .about-certificates__image {
    margin-top: 24px;
  }

  .about-footer {
    height: auto;
    min-height: 0;
  }

  .about-footer__skyline {
    height: 100%;
    object-fit: cover;
  }

  .about-footer__inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0;
    padding: 54px 24px 94px;
  }

  .brand-lockup--footer {
    gap: 10px;
  }

  .brand-lockup--footer img:first-child {
    height: 52px;
  }

  .brand-lockup--footer img:last-child {
    height: 44px;
  }

  .about-footer__brand nav {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
    font-size: 14px;
    line-height: 1.8;
  }

  .about-footer__brand > p {
    margin-top: 24px;
    font-size: 14px;
  }

  .about-footer__contact {
    margin: 32px 0 0;
    font-size: 14px;
    line-height: 1.7;
  }

  .about-footer__contact p {
    margin-bottom: 12px;
  }

  .about-footer__contact p:first-child {
    font-size: 18px;
  }

  .about-footer__copyright {
    right: 24px;
    bottom: 24px;
    left: 24px;
    font-size: 10px;
    line-height: 1.5;
  }

  .about-back-to-top {
    top: 22px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .toast {
    right: 16px;
    bottom: 16px;
    left: 16px;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .about-header__inner {
    padding: 0 16px;
  }

  .brand-lockup--header img:first-child {
    height: 30px;
  }

  .brand-lockup--header img:last-child {
    height: 25px;
  }

  .about-hero {
    height: 380px;
  }

  .about-values > ul {
    grid-template-columns: 1fr;
  }

  .about-values li {
    min-height: 146px;
  }
}