:root {
  --green: #171717;
  --green-dark: #101010;
  --green-soft: #363636;
  --cream: #f7f7f5;
  --paper: #fff;
  --text: #171717;
  --muted: #6e6e6e;
  --terracotta: #bb2027;
  --line: #dedede;
}

body {
  background: #fff;
}

.side-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 40;
  width: 222px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-right: 1px solid #e8e8e8;
}

.side-logo {
  display: block;
  align-self: center;
  width: 142px;
  margin: 28px 0 22px;
}

.side-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.side-rail-rule {
  width: 100%;
  height: 1px;
  background: #ececec;
}

.side-nav {
  display: grid;
  gap: 4px;
  margin-top: 45px;
}

.side-nav a {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  min-height: 62px;
  padding: 0 28px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #555;
  transition: color .2s, background .2s;
}

.side-nav a strong {
  font-weight: 600;
}

.side-nav a small {
  color: #999;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .15em;
  font-family: Arial, sans-serif;
}

.side-nav a:hover small,
.side-nav a.active small {
  color: #b8222c;
}

.side-nav a:hover,
.side-nav a.active {
  color: #151515;
  background: #f8f8f8;
}

.side-nav a.active::before,
.side-nav a:hover::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: #bf1b26;
}

.side-rail-foot {
  margin-top: auto;
  padding: 28px;
}

.red-line {
  display: block;
  width: 31px;
  height: 3px;
  background: #bf1b26;
  margin-bottom: 15px;
}

.side-rail-foot p {
  margin: 0;
  font-size: 11px;
  line-height: 1.9;
  font-weight: 700;
  color: #1e1e1e;
}

.side-rail-foot small {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .08em;
  color: #888;
}

.mobile-header {
  display: none;
}

.page-shell,
.site-footer {
  margin-left: 222px;
}

.cover {
  position: relative;
  min-height: min(680px, 100svh);
  height: 680px;
  overflow: hidden;
  color: #fff;
  background: #281e1a;
  isolation: isolate;
}

.cover-photo {
  position: absolute;
  inset: 0;
  z-index: -3;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: blur(4px) brightness(.8);
  transform: scale(1.04);
}

.cover-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(0,0,0,.08) 0%, rgba(0,0,0,.13) 39%, rgba(0,0,0,.64) 69%, rgba(0,0,0,.74) 100%);
}

.cover-frame {
  pointer-events: none;
  position: absolute;
  inset: 30px;
  border: 1px solid rgba(255,255,255,.26);
}

.cover-frame::before,
.cover-frame::after {
  content: "";
  position: absolute;
  background: #c9222c;
}

.cover-frame::before {
  left: -1px;
  top: -1px;
  width: 74px;
  height: 3px;
}

.cover-frame::after {
  right: -1px;
  bottom: -1px;
  width: 3px;
  height: 74px;
}

.cover-topline,
.cover-bottom {
  position: absolute;
  left: 64px;
  right: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  font-family: Arial, sans-serif;
  font-size: 11px;
  letter-spacing: .22em;
}

.cover-topline {
  top: 63px;
}

.cover-bottom {
  bottom: 61px;
  color: rgba(255,255,255,.75);
  font-size: 10px;
  letter-spacing: .12em;
}

.cover-bottom b {
  display: inline-block;
  margin-left: 12px;
  font-size: 21px;
  font-weight: 400;
  vertical-align: middle;
  color: #d5333b;
}

.cover-copy {
  position: absolute;
  top: 49%;
  right: 7.5%;
  width: min(570px, 51%);
  transform: translateY(-45%);
}

.catalog-toolbar {
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
}

.catalog-toolbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 90px;
}

.catalog-keywords {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  color: #555;
  font-size: 12px;
}

.catalog-keywords strong {
  padding-right: 14px;
  border-right: 2px solid #bd202b;
  color: #b5202a;
  font-weight: 700;
}

.catalog-keywords strong small {
  display: block;
  margin-top: 3px;
  color: #888;
  font: 8px Arial, sans-serif;
  letter-spacing: .12em;
}

.catalog-keywords a:hover {
  color: #bd202b;
}

.catalog-keywords span {
  color: #999;
  font-size: 11px;
}

.catalog-search {
  display: flex;
  align-items: stretch;
  width: 300px;
  min-width: 240px;
  height: 42px;
  border: 1px solid #d9d9d9;
}

.catalog-search input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  padding: 0 12px;
  color: #222;
  background: #fff;
  font: 12px var(--sans);
}

.catalog-search input:focus-visible {
  box-shadow: inset 0 0 0 2px #bd202b;
}

.catalog-search button {
  border: 0;
  padding: 0 16px;
  background: #171717;
  color: #fff;
  font: 600 12px var(--sans);
  cursor: pointer;
}

.catalog-search button:hover {
  background: #bd202b;
}

.catalog-search button span {
  margin-left: 9px;
}

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

.quick-entrances {
  padding: 0 0 92px;
  background: #fff;
}

.quick-entrances-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid #e2e2e2;
  border-left: 0;
}

.quick-entrances-grid a {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 170px;
  padding: 29px 25px;
  border-left: 1px solid #e2e2e2;
  background: #f9f9f8;
  transition: color .2s, background .2s;
}

.quick-entrances-grid a:hover {
  background: #1a1a1a;
  color: #fff;
}

.quick-number {
  color: #bd202b;
  font: 700 12px Arial, sans-serif;
  letter-spacing: .12em;
  margin-bottom: 20px;
}

.quick-entrances-grid strong {
  font: 600 18px var(--serif);
}

.quick-entrances-grid small {
  margin-top: 8px;
  color: #999;
  font: 10px Arial, sans-serif;
  letter-spacing: .09em;
}

.quick-entrances-grid b {
  position: absolute;
  right: 22px;
  top: 25px;
  color: #bd202b;
  font-size: 20px;
  font-weight: 400;
}

.products-heading {
  display: block;
  text-align: center;
  margin-bottom: 34px;
}

.products-section {
  background: #f6f5f2;
}

.product-grid {
  gap: 18px;
}

.product-card {
  overflow: hidden;
  background: #fff;
  transition: transform .25s ease, box-shadow .25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 34px rgba(20, 20, 20, .08);
}

.product-card[hidden] {
  display: none;
}

.product-visual {
  display: block;
  height: 330px;
  background: #eae8e4;
  filter: none;
}

.product-visual::before,
.product-visual::after {
  display: none;
}

.product-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.product-card:hover .product-visual img {
  transform: scale(1.035);
}

.product-photo-tag {
  position: absolute;
  z-index: 2;
  top: 18px;
  left: 18px;
  padding: 9px 11px;
  color: #fff;
  background: rgba(17, 17, 17, .76);
  font: 600 9px Arial, sans-serif;
  letter-spacing: .16em;
}

.product-meta {
  color: #777;
  letter-spacing: .1em;
}

.product-meta span:first-child {
  color: #b8222c;
  font-family: Arial, sans-serif;
  font-weight: 700;
}

.product-card h3 {
  margin-bottom: 3px;
}

.product-card .product-en {
  margin: 0 26px 16px;
  color: #b8222c;
  font: 600 10px Arial, sans-serif;
  letter-spacing: .14em;
}

.product-card > p:last-child {
  min-height: 47px;
}

.product-card-link { display: block; height: 100%; }
.product-card-link:focus-visible { outline: 2px solid #bb2027; outline-offset: -2px; }
.product-card-link > p:not(.product-en) { min-height: 47px; }
.product-card-action { display: flex; align-items: center; gap: 10px; margin: 24px 26px 0; padding-top: 17px; border-top: 1px solid #e8e8e8; font-size: 12px; font-weight: 600; }
.product-card-action small { color: #999; font: 8px Arial, sans-serif; letter-spacing: .1em; }
.product-card-action > span { margin-left: auto; color: #bb2027; font-size: 19px; }

.english-note {
  margin-top: -12px;
  color: #b8222c !important;
  font: 600 10px Arial, sans-serif !important;
  letter-spacing: .2em;
}

.about-grid {
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
}

.strength-grid {
  grid-template-columns: minmax(0, 43fr) minmax(0, 57fr);
}

.strength-list > div {
  grid-template-columns: 38px minmax(130px, 1fr) minmax(0, 1.4fr);
}

.strength-list small {
  min-width: 0;
}

.products-heading > p {
  max-width: 600px;
  margin: 20px auto 0;
}

.category-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.category-tabs button {
  min-width: 112px;
  border: 1px solid #ccc;
  padding: 11px 18px;
  background: #fff;
  color: #2a2a2a;
  font: 600 12px var(--sans);
  cursor: pointer;
}

.category-tabs button:hover,
.category-tabs button.is-active {
  border-color: #bd202b;
  background: #bd202b;
  color: #fff;
}

.product-results {
  margin: 0 0 25px;
  color: #777;
  text-align: right;
  font-size: 12px;
}

.cover-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font: 600 11px Arial, sans-serif;
  letter-spacing: .2em;
  color: rgba(255,255,255,.85);
}

.cover-eyebrow i {
  display: block;
  width: 42px;
  height: 2px;
  background: #d51f2d;
}

.cover h1 {
  margin: 28px 0 28px;
  font: 500 clamp(50px, 5.1vw, 82px)/1.35 var(--serif);
  letter-spacing: .03em;
  text-shadow: 0 2px 18px rgba(0,0,0,.24);
}

.cover h1 span {
  color: #d52530;
}

.cover h1 em {
  font-style: normal;
}

.cover-copy > p {
  margin: 0;
  color: rgba(255,255,255,.87);
  font-size: 15px;
  letter-spacing: .24em;
}

.cover-copy .cover-translation {
  margin-top: -12px;
  color: rgba(255, 255, 255, .84);
  font: 600 11px/1.8 Arial, sans-serif;
  letter-spacing: .22em;
}

.cover-copy .cover-company {
  margin-top: 24px;
  font-size: 13px;
  letter-spacing: .18em;
}

.cover-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 57px;
}

.cover-primary,
.cover-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  font-size: 13px;
  font-weight: 600;
}

.cover-primary {
  min-width: 184px;
  padding: 19px 22px;
  background: #be202b;
  color: #fff;
  transition: background .2s;
}

.cover-primary:hover {
  background: #d42b37;
}

.cover-secondary {
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255,255,255,.65);
}

.cover-secondary:hover {
  border-color: #fff;
}

.intro-band {
  background: #161616;
}

.intro-band p span {
  color: #c62b34;
}

.section-kicker,
.strength-list span,
.about-card-icon {
  color: #b8222c;
}

.product-card {
  border: 1px solid #ededed;
}

.button-outline {
  border-color: #181818;
  color: #181818;
}

.contact-section {
  background: #171717;
}

.contact-section .section-kicker,
.contact-card-label {
  color: #d93039;
}

.contact-section p:not(.section-kicker) {
  color: #c9c9c9;
}

.contact-card {
  background: #fff;
}

/* Contact details and a reserved space for the supplied WeChat QR image. */
.contact-grid {
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.3fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}
.contact-copy,
.contact-card { min-width: 0; }
.contact-card { padding: 36px; }
.contact-card-label { margin-bottom: 18px; }
.contact-card > strong { display: block; line-height: 1.6; }
.contact-card-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 24px;
  align-items: start;
  margin-top: 26px;
}
.contact-card-body dl { min-width: 0; margin: 0; }
.contact-card-body dl div { align-items: baseline; gap: 16px; padding: 18px 0; }
.contact-card-body dt small { display: block; margin-top: 3px; color: #888; font: 10px Arial, sans-serif; letter-spacing: .08em; }
.contact-card-body dd { text-align: right; overflow-wrap: anywhere; }
.wechat-contact { margin: 0; padding-left: 24px; border-left: 1px solid #e5e5e5; }
.wechat-qr-placeholder,
.wechat-qr-image { display: block; width: 144px; height: 144px; max-width: 100%; aspect-ratio: 1; }
.wechat-qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px dashed #c8c8c8;
  background: #f8f8f7;
  color: #777;
  font-size: 12px;
}
.wechat-qr-placeholder svg { width: 30px; height: 30px; fill: none; stroke: #bb2027; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.wechat-qr-placeholder svg circle { fill: #bb2027; stroke: none; }
.wechat-qr-image { object-fit: contain; background: #fff; }
.wechat-contact figcaption { text-align: center; width: 144px; margin-top: 14px; }
.wechat-contact figcaption strong { display: block; font-size: 14px; font-weight: 500; }
.wechat-contact figcaption span { display: block; margin-top: 5px; font: 10px Arial, sans-serif; color: #777; letter-spacing: .12em; }
.wechat-contact figcaption small { display: block; margin-top: 9px; color: #888; font-size: 11px; line-height: 1.6; }
.contact-card p.contact-card-note { max-width: none; margin-top: 26px; padding-top: 18px; border-top: 1px solid #dedede; }

@media (max-width: 1100px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .contact-card { width: 100%; }
}
@media (max-width: 560px) {
  .contact-card { padding: 26px 24px; }
  .contact-card > strong { font-size: 19px; }
  .contact-card-body { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .wechat-contact { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 20px; align-items: center; padding: 24px 0 0; border-left: 0; border-top: 1px solid #dedede; }
  .wechat-qr-placeholder, .wechat-qr-image { width: 132px; height: 132px; }
  .wechat-contact figcaption { width: auto; margin-top: 0; text-align: left; }
}

.site-footer {
  background: #0d0d0d;
}

@media (max-width: 1120px) {
  .side-rail,
  .page-shell,
  .site-footer {
    --sidebar-width: 170px;
  }
  .side-rail { width: var(--sidebar-width); }
  .page-shell,
  .site-footer { margin-left: var(--sidebar-width); }
  .side-logo { width: 120px; }
  .side-nav a { padding: 0 19px; }
  .side-rail-foot { padding: 19px; }
  .cover-copy { right: 6%; width: 54%; }
  .cover h1 { font-size: clamp(46px, 5vw, 68px); }
  .catalog-toolbar-inner { padding: 18px 0; }
  .catalog-keywords span { display: none; }
  .quick-entrances-grid a { padding: 26px 16px; }
}

@media (max-width: 760px) {
  .mobile-header {
    position: fixed;
    z-index: 60;
    inset: 0 0 auto;
    height: 65px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    background: #fff;
    border-bottom: 1px solid #e6e6e6;
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #171717;
  }

  .mobile-brand img {
    width: 46px;
    height: 46px;
    object-fit: contain;
  }

  .mobile-brand strong {
    font: 700 17px var(--serif);
    letter-spacing: .06em;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    display: grid;
    align-content: center;
    justify-items: end;
    gap: 6px;
    padding: 8px;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 25px;
    height: 2px;
    background: #171717;
  }

  .menu-toggle span:last-child { width: 18px; background: #c3212d; }

  .side-rail {
    width: min(280px, 82vw);
    top: 65px;
    bottom: 0;
    transform: translateX(-101%);
    transition: transform .24s ease;
    box-shadow: 12px 0 30px rgba(0,0,0,.08);
  }

  .side-rail.is-open { transform: translateX(0); }
  .side-logo { display: none; }
  .side-rail-rule { display: none; }
  .side-nav { margin-top: 26px; }
  .side-nav a { padding: 0 25px; }
  .side-rail-foot { padding: 25px; }
  .page-shell,
  .site-footer { margin-left: 0; }
  .page-shell { padding-top: 65px; }
  .cover { height: min(780px, calc(100svh - 65px)); min-height: 650px; }
  .cover-photo { object-position: 38% center; filter: blur(4px) brightness(.67); }
  .cover-shade { background: linear-gradient(180deg, rgba(0,0,0,.32), rgba(0,0,0,.23) 33%, rgba(0,0,0,.66) 72%, rgba(0,0,0,.79)); }
  .cover-frame { inset: 18px; }
  .cover-topline,
  .cover-bottom { left: 36px; right: 36px; }
  .cover-topline { top: 39px; font-size: 9px; }
  .cover-bottom { bottom: 35px; font-size: 9px; }
  .cover-bottom span:last-child { display: none; }
  .cover-copy { left: 36px; right: 30px; width: auto; top: auto; bottom: 105px; transform: none; }
  .cover-eyebrow { font-size: 9px; line-height: 1.6; letter-spacing: .11em; }
  .cover-eyebrow i { width: 27px; flex: none; }
  .cover h1 { font-size: clamp(41px, 10vw, 57px); margin: 18px 0 20px; }
  .cover-copy .cover-translation { font-size: 9px; letter-spacing: .11em; margin-top: -7px; }
  .cover-copy .cover-company { font-size: 11px; margin-top: 15px; }
  .cover-actions { margin-top: 31px; gap: 20px; }
  .cover-primary { min-width: 150px; padding: 16px; }
  .cover-secondary { gap: 12px; }
  #about, #products, #strength, #contact { scroll-margin-top: 65px; }
  .catalog-toolbar-inner { display: block; padding: 21px 0; }
  .catalog-keywords { gap: 11px; }
  .catalog-search { width: 100%; margin-top: 18px; }
  .quick-entrances { padding-bottom: 70px; }
  .quick-entrances-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-entrances-grid a { min-height: 150px; }
  .quick-entrances-grid a:nth-child(n+3) { border-top: 1px solid #e2e2e2; }
  .products-heading { text-align: left; }
  .about-grid,
  .strength-grid { grid-template-columns: 1fr; }
  .products-heading > p { margin: 16px 0 0; }
  .category-tabs { justify-content: flex-start; gap: 8px; }
  .category-tabs button { min-width: 0; }
  .product-results { text-align: left; }
  .product-visual { height: min(64vw, 330px); }
}

@media (max-width: 380px) {
  .cover-copy { left: 29px; right: 24px; }
  .cover h1 { font-size: 39px; }
  .cover-topline,
  .cover-bottom { left: 29px; right: 29px; }
  .cover-eyebrow { letter-spacing: .06em; }
  .cover-secondary { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .side-rail { transition: none; }
}

.address-pending { display: block; margin-top: 6px; color: #888; font-size: 11px; line-height: 1.6; }
/* Each original cooperation row is now one accessible link. */
.strength-list > div { display: block; padding: 0; }
.strength-item-link { display: grid; grid-template-columns: 38px minmax(130px, 1fr) minmax(0, 1.4fr); gap: 12px; align-items: center; padding: 26px 0; min-height: 72px; }
.strength-item-link:hover strong { color: #bb2027; }
.strength-item-link:active { background: #f4f4f4; }
.strength-item-link:focus-visible { outline: 2px solid #bb2027; outline-offset: 5px; }
@media (max-width: 900px) { .strength-item-link { grid-template-columns: 40px minmax(0, 1fr); } }

/* Mobile interaction and loading polish. */
.menu-backdrop[hidden] { display: none !important; }
.menu-backdrop { display: none; }
.site-skip { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; background: #bb2027; color: #fff; transform: translateY(-160%); }
.site-skip:focus { transform: none; }
.page-shell h1[tabindex="-1"]:focus-visible, .page-shell h2[tabindex="-1"]:focus-visible { outline: 2px solid #bb2027; outline-offset: 5px; }
.side-rail { overflow-y: auto; overscroll-behavior: contain; }
button, a { touch-action: manipulation; -webkit-tap-highlight-color: rgba(187, 32, 39, .14); }
a:focus-visible, button:focus-visible, .menu-toggle:focus-visible { outline: 2px solid #bb2027; outline-offset: 3px; }
.catalog-keywords a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
.catalog-search { height: 46px; }
.category-tabs button { min-height: 44px; }
.strength-item-link { overflow-wrap: anywhere; }
.product-card-link:active { background: #f6f5f2; }

@media (max-width: 760px) {
  body.menu-open { overflow: hidden; }
  .menu-backdrop { position: fixed; z-index: 35; inset: 65px 0 0; display: block; width: 100%; border: 0; padding: 0; background: rgba(0, 0, 0, .36); }
  .menu-toggle { width: 44px; height: 44px; }
  .catalog-search { height: 48px; }
  .catalog-search input { font-size: 16px; }
  .catalog-search button { min-width: 64px; }
}

@media (hover: none) {
  .product-card:hover { transform: none; box-shadow: none; }
  .product-card:hover .product-visual img { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .product-card, .product-visual img, .side-nav a, .quick-entrances-grid a { transition: none; }
}