/* Global design tokens: colors, surface values, and maximum content width. */
:root {
  color-scheme: light;
  --ink: #101413;
  --muted: #68736f;
  --line: rgba(16, 20, 19, 0.1);
  --surface: #ffffff;
  --accent: #0b5f65;
  --accent-strong: #073f43;
  --warm: #c9a66b;
  --max: 1180px;
  --card-radius: 22px;
  --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.04), 0 14px 34px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 6px 18px rgba(0, 0, 0, 0.07), 0 24px 54px rgba(0, 0, 0, 0.1);
}
/* Base reset to make layout predictable across browsers. */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 76px;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: #f5f5f7;
  overflow-x: hidden;
}
a, button { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
/* Fixed navigation bar; JavaScript adds .is-scrolled after the page moves. */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 58px;
  padding: 0 max(22px, calc((100vw - var(--max)) / 2));
  color: rgba(16, 20, 19, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background 180ms ease, border-color 180ms ease;
}
/* Scrolled header state for readability over content sections. */
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(16, 20, 19, 0.08);
}
/* Floating contact rail mirrors export-focused product sites: always visible, compact, and non-intrusive. */
.floating-contact {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 20;
  display: grid;
  gap: 10px;
  transform: translateY(-50%);
}
.floating-contact a {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 26px rgba(16, 20, 19, 0.14);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  backdrop-filter: blur(12px);
}
.floating-contact a[data-contact-tip]::before {
  content: attr(data-contact-tip);
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  z-index: 2;
  min-width: max-content;
  max-width: 250px;
  padding: 9px 12px;
  border: 1px solid rgba(16,20,19,.18);
  border-radius: 4px;
  background: rgba(255,255,255,.97);
  color: #101413;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.3;
  box-shadow: 0 12px 30px rgba(16,20,19,.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(8px, -50%);
  transition: opacity 160ms ease, transform 160ms ease;
  white-space: nowrap;
}
.floating-contact a[data-contact-tip]::after {
  content: "";
  position: absolute;
  right: calc(100% + 6px);
  top: 50%;
  z-index: 3;
  width: 10px;
  height: 10px;
  border-top: 1px solid rgba(16,20,19,.18);
  border-right: 1px solid rgba(16,20,19,.18);
  background: rgba(255,255,255,.97);
  opacity: 0;
  pointer-events: none;
  transform: translate(8px, -50%) rotate(45deg);
  transition: opacity 160ms ease, transform 160ms ease;
}
.floating-contact a[data-contact-tip]:hover::before,
.floating-contact a[data-contact-tip].is-open::before {
  opacity: 1;
  transform: translate(0, -50%);
}
.floating-contact a[data-contact-tip]:hover::after,
.floating-contact a[data-contact-tip].is-open::after {
  opacity: 1;
  transform: translate(0, -50%) rotate(45deg);
}
.floating-contact .mail span { color: #f39a12; }
.floating-contact .wechat span { color: #16a34a; }
.floating-contact .phone span { color: #f97316; }
.floating-contact .backtop span { color: #8a9290; }
.brand, .nav-links, .nav-action, .header-actions { display: flex; align-items: center; }
.brand { gap: 10px; font-size: 18px; font-weight: 750; }
.brand-mark {
  width: 30px;
  height: 30px;
  object-fit: cover;
  object-position: 50% 33%;
  display: block;
  padding: 3px;
  border-radius: 10px;
  background: rgba(255,255,255,.72);
  box-shadow: inset 0 0 0 1px rgba(16,20,19,.06);
  mix-blend-mode: multiply;
}
.brand { isolation: isolate; }
.nav-links { gap: clamp(22px, 3vw, 38px); font-size: 16px; font-weight: 650; }
.header-actions {
  justify-self: end;
  gap: 10px;
}
.nav-action {
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(11, 95, 101, 0.24);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 650;
}
.language-toggle {
  min-width: 46px;
  min-height: 34px;
  border: 1px solid rgba(16, 20, 19, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
}
.language-toggle:hover {
  border-color: rgba(11, 95, 101, 0.38);
}
/* Hero layout: text and product image are composed as a full first-screen product view. */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 96px max(22px, calc((100vw - var(--max)) / 2)) 86px;
  background: #f5f5f7;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,.36) 0%, rgba(255,255,255,.2) 58%, rgba(245,245,247,.32) 100%),
    radial-gradient(circle at 50% 44%, rgba(255,255,255,.06), rgba(255,255,255,.24) 78%);
}
.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(1080px, 100%);
  padding-top: 22px;
  color: var(--ink);
  text-align: center;
  pointer-events: none;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 980px;
  margin-inline: auto;
  margin-bottom: 26px;
  font-size: clamp(42px, 5vw, 82px);
  line-height: 1.08;
  letter-spacing: 0;
  text-align: center;
}
/* English letters have taller ascenders/descenders; extra line-height prevents p/l overlap. */
html[lang="en"] h1 {
  max-width: 1040px;
  margin-inline: auto;
  font-size: clamp(42px, 5.4vw, 86px);
  line-height: 1.06;
  text-align: center;
}
.hero-intro {
  max-width: 860px;
  margin-inline: auto;
  margin-bottom: 32px;
  color: rgba(16, 20, 19, 0.68);
  font-size: clamp(22px, 2.5vw, 34px);
  line-height: 1.5;
  font-weight: 720;
}
html[lang="en"] .hero-intro {
  max-width: 920px;
}
.hero-kicker {
  color: rgba(255,255,255,.82);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.hero-actions a {
  pointer-events: auto;
}
/* Shared pill button style for product and contact actions. */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 680;
}
.button.primary { background: var(--ink); color: #fff; }
.button.secondary { border: 1px solid rgba(16,20,19,.16); background: rgba(255,255,255,.36); }
/* Product visual is positioned behind the copy on desktop and below it on smaller screens. */
.hero-visual {
  position: absolute;
  right: max(-140px, calc((100vw - var(--max)) / 2 - 240px));
  bottom: 0;
  width: min(980px, 72vw);
  transform: translateY(5%);
}
/* Hero carousel: slides overlap in the same visual area and fade between product images. */
.carousel {
  min-height: 100%;
}
.carousel-track {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 100%;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: end;
  margin: 0;
  opacity: 0;
  transform: translateX(24px) scale(0.985);
  transition: opacity 520ms ease, transform 520ms ease;
  pointer-events: none;
}
.carousel-slide.is-active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: none;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  align-self: end;
  object-fit: cover;
  object-position: var(--focus-x, 50%) var(--focus-y, 50%);
  filter: saturate(0.92) contrast(1.02);
}
.carousel-slide figcaption {
  position: absolute;
  right: clamp(42px, 9vw, 150px);
  bottom: 82px;
  padding: 10px 16px;
  border: 1px solid rgba(16, 20, 19, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  color: #34423e;
  font-size: 14px;
  font-weight: 700;
}
.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 34px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(16, 20, 19, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(14px);
  transform: translateX(-50%);
  pointer-events: auto;
}
.carousel-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(16, 20, 19, 0.24);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease, transform 180ms ease;
}
.carousel-dots button.is-active {
  width: 28px;
  background: var(--accent);
}
.carousel-dots button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.quick-strip {
  width: min(var(--max), calc(100% - 44px));
  margin: -36px auto 0;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.quick-strip div {
  min-height: 116px;
  padding: 24px;
  border-radius: var(--card-radius);
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(18px);
  box-shadow: var(--card-shadow);
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.quick-strip strong { display: block; margin-bottom: 7px; font-size: 24px; }
.quick-strip span { color: var(--muted); font-size: 14px; line-height: 1.5; }
/* Reusable section container and heading rhythm. */
.section {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 104px 0;
}
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading.compact { max-width: 680px; }
.section-heading h2, .contact-section h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}
.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}
/* Featured product area: media panel plus specification rows. */
.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 44px;
  align-items: center;
}
.product-media {
  min-height: 430px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--card-radius);
  background: radial-gradient(circle at 46% 42%, rgba(11,95,101,.1), transparent 36%), #f5f7f6;
  box-shadow: var(--card-shadow);
}
.product-media img { width: min(780px, 112%); }
.product-details { border-top: 1px solid var(--line); }
.detail-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.detail-row span { color: var(--muted); font-size: 14px; }
.detail-row strong { font-size: 18px; line-height: 1.45; }
/* Material benefit grid. */
.material-section { border-top: 1px solid var(--line); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-grid article {
  min-height: 420px;
  padding: 28px;
  position: relative;
  border-radius: var(--card-radius);
  background: var(--surface);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.feature-grid article::after,
.process-grid article::after,
.tech-layout article::after,
.solution-grid article::after,
.printing-detail-grid article::after,
.project-grid article::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: 1;
  height: 48%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.58));
}
.project-grid article::after {
  height: 56%;
}
.card-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focus-x, 50%) var(--focus-y, 50%);
  transform: scale(1.01);
  background: #eef1f0;
}
.media-focus-right {
  --focus-x: 88%;
  --focus-y: 50%;
}
.feature-grid article > :not(img),
.process-grid article > :not(img),
.tech-layout article > :not(img),
.solution-grid article > :not(img),
.printing-detail-grid article > :not(img),
.project-grid article > :not(img) {
  position: relative;
  z-index: 2;
}
.project-grid article > .project-card-hit {
  position: absolute;
  inset: 0;
  z-index: 5;
}
.feature-grid span,
.process-grid span,
.solution-grid span,
.printing-detail-grid span {
  width: fit-content;
  max-width: 100%;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
}
.feature-grid h3,
.process-grid h3,
.tech-layout h3,
.solution-grid h3,
.printing-detail-grid h2,
.project-grid h3 {
  margin-top: auto;
  margin-bottom: 8px;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0,0,0,.28);
}
.feature-grid p,
.process-grid p,
.tech-layout p,
.solution-grid p,
.printing-detail-grid p,
.project-grid p {
  margin-bottom: 0;
  color: rgba(255,255,255,.84);
  font-size: 14px;
  line-height: 1.55;
  text-shadow: 0 1px 10px rgba(0,0,0,.24);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.feature-grid h3 { font-size: 22px; }
.feature-grid.four article span {
  display: inline-flex;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.project-grid article {
  min-height: 430px;
  position: relative;
  overflow: hidden;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.project-card-hit {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
}
.project-card-hit:focus-visible {
  outline: 3px solid rgba(255,255,255,.92);
  outline-offset: -8px;
}
.project-grid img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focus-x, 50%) var(--focus-y, 50%);
  transform: scale(1.01);
}
.process-grid .card-media,
.solution-grid .card-media,
.printing-detail-grid .card-media {
  height: 100%;
}
.tech-layout .card-media {
  height: 100%;
}
.project-grid h3,
.project-grid p {
  margin-left: 28px;
  margin-right: 28px;
}
.project-grid h3 {
  margin-top: auto;
  font-size: 24px;
  line-height: 1.15;
}
.project-grid p {
  margin-bottom: 30px;
  line-height: 1.5;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.process-grid article {
  min-height: 460px;
  padding: 24px;
  position: relative;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.process-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.process-grid h3 {
  font-size: 20px;
  line-height: 1.15;
}
.process-grid p {
  margin-top: 0;
}
.tech-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}
.tech-layout article {
  min-height: 420px;
  padding: 30px;
  position: relative;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.tech-layout article:first-child {
  grid-row: span 2;
  background: #fff;
  color: var(--ink);
}
.tech-layout h3 {
  font-size: 25px;
}
.tech-layout p {
  line-height: 1.65;
}
.tech-layout article:first-child p {
  color: rgba(255,255,255,.84);
}
.application-list.large span {
  min-height: 54px;
  font-size: 15px;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.solution-grid article {
  min-height: 450px;
  padding: 30px;
  position: relative;
  border-radius: var(--card-radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,249,248,.96)),
    radial-gradient(circle at 80% 10%, rgba(11,95,101,.12), transparent 38%);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.solution-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}
.solution-grid h3 {
  font-size: 27px;
  line-height: 1.12;
}
.solution-grid p {
  font-size: 15px;
  line-height: 1.7;
}
.printing-menu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.printing-menu a {
  min-height: 118px;
  padding: 24px;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--card-shadow);
  font-size: 20px;
  font-weight: 750;
  line-height: 1.25;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.printing-menu span {
  display: inline-block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.subpage {
  background: #f7f9f8;
}
.printing-page-hero {
  min-height: 58svh;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 132px max(22px, calc((100vw - var(--max)) / 2)) 72px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 8%, rgba(11, 95, 101, 0.12), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f4f8f7 100%);
}
.printing-page-hero h1 {
  max-width: 980px;
  margin-inline: auto;
  margin-bottom: 24px;
  font-size: clamp(46px, 6vw, 92px);
  line-height: 1.04;
  text-align: center;
}
.printing-page-hero p:not(.eyebrow) {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.55;
  font-weight: 650;
}
.printing-page-section {
  padding-top: 40px;
}
.printing-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.printing-detail-grid article {
  min-height: 450px;
  padding: 30px;
  position: relative;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.printing-detail-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
}
.printing-detail-grid h2 {
  font-size: 28px;
  line-height: 1.12;
}
.printing-detail-grid p {
  line-height: 1.75;
}
.solution-main {
  width: min(1360px, calc(100% - 44px));
  margin: 0 auto;
  padding: 86px 0 34px;
}
.breadcrumb {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
}
.solution-page-hero {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 58px 48px;
  border-radius: 0;
  background:
    linear-gradient(135deg, rgba(228,244,239,.95) 0%, rgba(248,251,250,.98) 46%, rgba(255,255,255,1) 100%),
    radial-gradient(circle at 18% 10%, rgba(0,103,94,.12), transparent 32%),
    radial-gradient(circle at 88% 85%, rgba(0,103,94,.09), transparent 30%);
  box-shadow: none;
}
.solution-hero-copy {
  max-width: 760px;
  text-align: center;
}
.solution-hero-copy h1 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: clamp(38px, 4vw, 60px);
  line-height: 1.03;
  letter-spacing: 0;
}
.solution-hero-copy p {
  max-width: 650px;
  margin: 0 auto;
  color: #3f4745;
  font-size: clamp(16px, 1.45vw, 21px);
  line-height: 1.55;
  font-weight: 520;
}
.solution-hero-copy div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
}
.solution-showcase {
  margin-top: 18px;
}
.solution-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255,255,255,.92);
  box-shadow: inset 0 0 0 1px rgba(16,20,19,.06);
}
.solution-tabs button {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(16,20,19,.1);
  border-radius: 999px;
  background: #fff;
  color: #273331;
  font: inherit;
  font-size: 15px;
  font-weight: 760;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.solution-tabs button.is-active {
  background: var(--accent-strong);
  color: #fff;
  box-shadow: 0 10px 24px rgba(11,95,101,.22);
}
.solution-category-grid,
.solution-product-grid {
  display: grid;
  gap: 12px;
}
.solution-category-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  transition: opacity 220ms ease, transform 220ms ease, filter 220ms ease;
}
.solution-category-grid.is-switching {
  opacity: .28;
  transform: translateY(8px);
  filter: blur(2px);
}
.solution-category-grid article,
.solution-product-grid article {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.72 / 1;
  height: auto;
  min-height: 0;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(0,0,0,.09);
  cursor: default;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.solution-category-grid article.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  aspect-ratio: auto;
  color: var(--muted);
  font-weight: 760;
  background: rgba(255,255,255,.68);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.06);
}
.solution-category-grid article.is-empty::after {
  display: none;
}
.solution-category-grid article[data-solution-trigger],
.solution-category-grid article.is-clickable {
  cursor: pointer;
}
.solution-case-link {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
}
.solution-category-grid img,
.solution-product-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focus-x, 50%) var(--focus-y, 50%);
  display: block;
}
.solution-category-grid span,
.solution-product-grid span {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-weight: 780;
  line-height: 1.16;
  text-shadow: 0 2px 16px rgba(0,0,0,.48);
  display: block;
  overflow: hidden;
}
.solution-category-grid strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.solution-category-grid em {
  display: inline-flex;
  width: fit-content;
  margin-top: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  color: var(--accent-strong);
  font-size: 13px;
  font-style: normal;
  font-weight: 850;
  text-shadow: none;
}
.solution-category-grid article::after,
.solution-product-grid article::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 46%;
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.52));
  pointer-events: none;
}
.case-main {
  width: min(1480px, calc(100% - 64px));
  margin: 0 auto;
  padding: 112px 0 76px;
}
.case-back {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-bottom: 28px;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 760;
}
.case-back::before {
  content: "‹";
  margin-right: 8px;
  font-size: 24px;
  line-height: 1;
}
.case-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 56px;
  padding: 20px 0 44px;
  border-bottom: 1px solid rgba(16,20,19,.12);
}
.case-eyebrow {
  margin: 0 0 16px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 850;
  text-transform: uppercase;
}
.case-intro h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(48px, 6vw, 92px);
  line-height: .98;
  letter-spacing: 0;
}
.case-description {
  max-width: 820px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.65;
}
.case-price {
  display: grid;
  justify-items: start;
  min-width: 230px;
  gap: 10px;
}
.case-price span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}
.case-price strong {
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-size: 38px;
  line-height: 1;
}
.case-gallery {
  display: block;
  overflow: hidden;
  width: min(1080px, 100%);
  margin: 0 auto;
  padding-top: 32px;
}
.case-gallery figure {
  overflow: hidden;
  margin: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  line-height: 0;
}
.case-gallery figure + figure {
  margin-top: -1px;
}
.case-gallery img {
  width: 100%;
  height: auto;
  display: block;
}
.solution-quote-panel {
  display: grid;
  grid-template-columns: 1.55fr repeat(4, 1fr) 1.22fr;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 18px 24px;
  border-radius: var(--card-radius);
  background: rgba(255,255,255,.96);
  box-shadow: var(--card-shadow);
}
.solution-quote-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 1.55vw, 24px);
  line-height: 1.2;
}
.quote-field {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  color: var(--muted);
  font-size: 14px;
}
.solution-quote-panel a {
  min-height: 44px;
  border-radius: 10px;
  background: var(--accent-strong);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 760;
}
@media (hover: hover) {
  .quick-strip div:hover,
  .feature-grid article:hover,
  .project-grid article:hover,
  .process-grid article:hover,
  .tech-layout article:hover,
  .solution-grid article:hover,
  .printing-menu a:hover,
  .printing-detail-grid article:hover,
  .solution-category-grid article:hover,
  .solution-product-grid article:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
  }
}
.printing-menu a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}
.about-section {
  padding-block: 130px;
  border-top: 1px solid var(--line);
}
.about-copy {
  max-width: 900px;
}
.about-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1.35;
}
.final-cta {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto 28px;
  padding: 96px 40px;
  border-radius: var(--card-radius);
  text-align: center;
  background: linear-gradient(180deg, #f7f9f8 0%, #e9f1ef 100%);
  box-shadow: var(--card-shadow);
}
.final-cta h2 {
  margin-bottom: 30px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 1;
}
/* Application chips for quick scanning. */
.applications { padding-top: 18px; }
.application-list { display: flex; flex-wrap: wrap; gap: 12px; }
.application-list span {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #2d3532;
  font-weight: 650;
}
/* Dark contact band used as the final conversion area. */
.contact-section {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 430px);
  gap: 56px;
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto 28px;
  padding: 76px;
  border-radius: var(--card-radius);
  background: #101413;
  color: #fff;
  box-shadow: var(--card-shadow);
}
.contact-section .eyebrow { color: #9ed5ce; }
.contact-panel {
  display: grid;
  align-content: center;
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 18px;
  background: rgba(255,255,255,.11);
}
.contact-panel a { display: grid; gap: 8px; padding: 22px; background: rgba(255,255,255,.06); }
.contact-panel span { color: rgba(255,255,255,.58); font-size: 13px; }
.contact-panel strong { font-size: 17px; line-height: 1.35; }
/* Footer metadata. */
footer {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 30px 0 46px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}
/* Tablet layout: hide center nav and stack visual sections. */
@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 54px 42px;
    height: 96px;
    padding-inline: 18px;
    row-gap: 0;
    background: rgba(255, 255, 255, 0.84);
    border-color: rgba(16, 20, 19, 0.08);
  }
  .brand {
    min-width: 0;
    grid-column: 1;
    grid-row: 1;
  }
  .header-actions {
    grid-column: 2;
    grid-row: 1;
    flex-shrink: 0;
  }
  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    display: flex !important;
    align-items: center;
    min-height: 42px;
    gap: 22px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 2px 8px;
    scrollbar-width: none;
    white-space: nowrap;
    color: rgba(16, 20, 19, 0.86);
    mask-image: linear-gradient(90deg, #000 0%, #000 calc(100% - 28px), transparent 100%);
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    flex: 0 0 auto;
    line-height: 1;
    padding: 10px 0;
  }
  .hero { min-height: 86svh; padding-top: 128px; padding-bottom: 86px; }
  .carousel,
  .carousel-track {
    min-height: 100%;
  }
  .carousel-slide figcaption {
    right: 34px;
    bottom: 56px;
  }
  .carousel-dots {
    bottom: 102px;
  }
  .quick-strip, .product-layout, .feature-grid, .contact-section { grid-template-columns: 1fr; }
  .project-grid,
  .process-grid,
  .tech-layout,
  .solution-grid,
  .printing-menu,
  .printing-detail-grid,
  .solution-category-grid,
  .solution-product-grid,
  .solution-page-hero {
    grid-template-columns: 1fr 1fr;
  }
  .case-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
  }
  .solution-quote-panel {
    grid-template-columns: 1fr 1fr;
  }
  .solution-quote-panel h2,
  .solution-quote-panel a {
    grid-column: 1 / -1;
  }
  .tech-layout article:first-child {
    grid-row: auto;
    grid-column: 1 / -1;
  }
  .quick-strip { margin-top: 0; }
  .product-media { min-height: 320px; }
  .feature-grid article { min-height: auto; }
  .contact-section { padding: 46px 28px; }
}
/* Mobile layout: tighter spacing and full-width buttons. */
@media (max-width: 560px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 54px 40px;
    height: 94px;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .brand { min-width: 0; overflow: hidden; }
  .brand span:last-child { display: none; }
  .floating-contact {
    left: 50%;
    right: auto;
    top: auto;
    bottom: 12px;
    display: flex;
    gap: 7px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,.86);
    box-shadow: 0 12px 34px rgba(16,20,19,.14);
    transform: translateX(-50%);
  }
  .floating-contact a {
    width: 38px;
    height: 38px;
    font-size: 9px;
    box-shadow: none;
  }
  .floating-contact a[data-contact-tip]::before {
    right: auto;
    left: 50%;
    top: auto;
    bottom: calc(100% + 12px);
    max-width: min(260px, calc(100vw - 32px));
    transform: translate(-50%, 8px);
  }
  .floating-contact a[data-contact-tip]::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: calc(100% + 6px);
    transform: translate(-50%, 8px) rotate(135deg);
  }
  .floating-contact a[data-contact-tip]:hover::before,
  .floating-contact a[data-contact-tip].is-open::before {
    transform: translate(-50%, 0);
  }
  .floating-contact a[data-contact-tip]:hover::after,
  .floating-contact a[data-contact-tip].is-open::after {
    transform: translate(-50%, 0) rotate(135deg);
  }
  .header-actions { gap: 6px; }
  .nav-links {
    gap: 18px;
    font-size: 14px;
    min-height: 40px;
    padding-bottom: 8px;
  }
  .nav-action {
    width: 42px;
    min-height: 34px;
    justify-content: center;
    padding: 0;
    font-size: 0;
  }
  .nav-action::after {
    content: "询";
    font-size: 14px;
    font-weight: 800;
  }
  html[lang="en"] .nav-action::after {
    content: "Get";
    font-size: 12px;
  }
  .language-toggle { min-width: 38px; min-height: 34px; padding: 0 10px; }
  .hero { padding-inline: 18px; padding-top: 132px; }
  h1 { font-size: clamp(46px, 17vw, 68px); }
  .hero-intro { font-size: 17px; }
  .button { flex: 1 1 150px; }
  .project-grid,
  .process-grid,
  .tech-layout,
  .solution-grid,
  .printing-menu,
  .printing-detail-grid,
  .solution-category-grid,
  .solution-product-grid,
  .solution-page-hero {
    grid-template-columns: 1fr;
  }
  .solution-main { width: calc(100% - 32px); padding-top: 114px; }
  .case-main { width: calc(100% - 32px); padding-top: 114px; }
  .case-intro h1 { font-size: clamp(40px, 13vw, 58px); }
  .case-gallery { padding-top: 24px; }
  .solution-page-hero { min-height: 220px; padding: 38px 18px; }
  .solution-hero-copy { padding: 10px 4px; }
  .solution-quote-panel {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .process-grid article,
  .tech-layout article,
  .printing-menu a,
  .printing-detail-grid article {
    min-height: 320px;
  }
  .feature-grid article,
  .project-grid article,
  .process-grid article,
  .tech-layout article,
  .solution-grid article,
  .printing-detail-grid article {
    min-height: 320px;
  }
  .solution-category-grid article { aspect-ratio: 4 / 3; }
  .printing-page-hero {
    min-height: 48svh;
    padding: 96px 18px 48px;
  }
  .carousel,
  .carousel-track {
    min-height: 330px;
  }
  .carousel-slide figcaption {
    left: 18px;
    right: 18px;
    bottom: 44px;
    text-align: center;
  }
  .carousel-dots {
    bottom: 96px;
  }
  .quick-strip, .section, .contact-section, footer { width: calc(100% - 32px); }
  .quick-strip div { min-height: 96px; padding: 20px; }
  .section { padding: 74px 0; }
  .detail-row { grid-template-columns: 1fr; gap: 8px; }
  .section-heading h2, .contact-section h2 { font-size: 36px; }
  footer { flex-direction: column; padding-bottom: 104px; }
}