@font-face {
  font-family: "Qingxuan Serif";
  src: url("assets/serif.woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Qingxuan Serif";
  src: url("assets/serif-semibold.woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Qingxuan Sans";
  src: url("assets/sans.woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Qingxuan Sans";
  src: url("assets/sans-medium.woff2");
  font-weight: 500;
  font-display: swap;
}
:root {
  color-scheme: light;
  --paper: #f7f6f2;
  --pine: #243e35;
  --ink: #20392f;
  --muted: #686e68;
  --line: #d4d6ce;
  --gutter: clamp(24px, 4.7vw, 88px);
  --serif: "Qingxuan Serif", "Songti SC", "Noto Serif CJK SC", "SimSun", serif;
  font-family:
    "Qingxuan Sans", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
}
body:has(dialog[open]) {
  overflow: hidden;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
button,
summary {
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  color: inherit;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid #8b7041;
  outline-offset: 6px;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
}
.svg-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.3;
  flex-shrink: 0;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -80px;
  background: var(--pine);
  color: white;
  padding: 16px;
  z-index: 10;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  height: 84px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 56px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.wordmark > span {
  font: 40px/1 var(--serif);
  letter-spacing: 5px;
}
.wordmark small {
  font-size: 10px;
  letter-spacing: 3px;
  padding-left: 2px;
}
nav {
  display: flex;
  gap: 48px;
  margin-left: auto;
}
nav a {
  font-size: 15px;
  padding: 14px 0;
  transition: opacity 0.2s;
}
nav a:hover {
  opacity: 0.6;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  min-height: 58px;
  border: 1px solid var(--pine);
  border-radius: 0;
  padding: 14px 28px;
  color: var(--paper);
  background: var(--pine);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #365648;
}
.button .icon {
  transition: transform 0.2s;
}
.button:hover .icon {
  transform: translateX(4px);
}
.header-cta {
  min-height: 50px;
  padding: 12px 32px;
  font-size: 15px;
}
.hero {
  display: grid;
  grid-template-columns: 40% 60%;
  min-height: 670px;
  height: clamp(670px, calc(100svh - 176px), 840px);
}
.hero-copy {
  padding: 0 36px 48px var(--gutter);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-message {
  padding-bottom: 60px;
}
h1 {
  font-size: clamp(44px, 4.7vw, 76px);
  line-height: 1.42;
  letter-spacing: -0.065em;
  white-space: nowrap;
}
.short-rule {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--ink);
  margin: 32px 0;
}
.hero-subtitle {
  font: clamp(19px, 1.7vw, 28px)/1.6 var(--serif);
  white-space: nowrap;
}
.hero-description {
  margin-top: 30px;
  font-size: 15px;
  line-height: 2.1;
  color: #505e55;
  max-width: 490px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 38px;
  margin-top: 44px;
}
.hero-actions .button {
  white-space: nowrap;
  padding-inline: 26px;
  gap: 20px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  padding: 5px 0;
  font-size: 15px;
  line-height: 1.6;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.text-link:hover {
  opacity: 0.65;
}
.operator {
  position: absolute;
  left: var(--gutter);
  bottom: 46px;
  font-size: 12px;
  color: var(--muted);
}
.hero-media {
  min-width: 0;
  overflow: hidden;
}
.hero-media img {
  height: 100%;
  object-position: center 60%;
}
.business-strip {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 5vw, 80px);
  border-bottom: 1px solid var(--line);
  font: 17px/1.5 var(--serif);
  letter-spacing: 0.16em;
}
.business-strip i {
  font-style: normal;
  font-size: 14px;
}
.section-pad {
  padding: 110px var(--gutter);
}
.section-intro {
  display: grid;
  grid-template-columns: 18% 1fr;
  margin-bottom: 52px;
}
.section-label {
  display: flex;
  gap: 16px;
  align-items: center;
  align-self: start;
  margin-top: 12px;
  font-size: 15px;
}
.section-label span {
  width: 32px;
  height: 1px;
  background: #9baba0;
}
h2 {
  font-size: clamp(38px, 4vw, 66px);
  line-height: 1.4;
  letter-spacing: -0.035em;
}
.section-description {
  margin-top: 22px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}
.product-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 46px;
  align-items: start;
}
.fabric-figure img {
  aspect-ratio: 1.6;
}
.fabric-figure figcaption {
  font: 14px/1.8 var(--serif);
  color: var(--muted);
  padding-top: 13px;
}
.capabilities {
  border-top: 1px solid #a9b3a9;
}
details {
  border-bottom: 1px solid #a9b3a9;
}
summary {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 29px 8px;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
.number {
  font: 24px/1.4 var(--serif);
  color: #868e85;
}
summary h3 {
  font-size: 26px;
  line-height: 1.5;
}
.toggle {
  width: 22px;
  height: 22px;
  margin-left: auto;
  position: relative;
  flex-shrink: 0;
}
.toggle::before,
.toggle::after {
  content: "";
  background: currentColor;
  position: absolute;
}
.toggle::before {
  width: 20px;
  height: 1px;
  top: 10px;
  left: 1px;
}
.toggle::after {
  width: 1px;
  height: 20px;
  top: 1px;
  left: 10px;
}
details[open] .toggle::after {
  display: none;
}
details[open] summary {
  padding-bottom: 13px;
}
.detail-body {
  padding: 0 28px 29px 58px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}
.detail-note {
  margin-top: 16px;
  font-size: 12px;
}
.explore-link {
  display: flex;
  width: fit-content;
  margin: 28px 0 0 auto;
}
.inspiration {
  padding-top: 48px;
}
.inspiration-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}
.inspiration-heading > p {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.inspiration-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.image-frame {
  overflow: hidden;
}
.image-frame img {
  aspect-ratio: 0.95;
  transition: transform 0.8s;
}
.image-frame:hover img {
  transform: scale(1.025);
}
.inspiration-grid figcaption {
  margin-top: 25px;
}
.inspiration-grid h3 {
  font-size: 38px;
  line-height: 1.4;
}
.inspiration-grid figcaption p {
  margin-top: 8px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  background: var(--pine);
  color: var(--paper);
  padding-block: 100px;
}
.about-label {
  font-size: 14px;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}
.about h2 {
  font-size: clamp(34px, 3.6vw, 56px);
}
.about-copy {
  padding-top: 8px;
  max-width: 570px;
}
.about-copy h3 {
  font-size: clamp(23px, 2.1vw, 32px);
  line-height: 1.6;
}
.about-copy > p {
  margin: 22px 0 32px;
  font-size: 16px;
  line-height: 2;
  color: #d8e0d8;
}
.button-outline {
  background: transparent;
  border-color: #dce4dc;
}
.button-outline:hover {
  background: #3b564b;
}
.site-footer {
  padding: 42px var(--gutter) 28px;
}
.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 26px;
}
.footer-main p {
  font: 19px/1.6 var(--serif);
}
.footer-main a {
  font-size: 13px;
  color: var(--muted);
  padding-block: 8px;
}
.footer-main a:hover {
  text-decoration: underline;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  color: var(--muted);
  font-size: 11px;
}
.footer-bottom small {
  font: inherit;
}
dialog {
  width: min(520px, calc(100% - 36px));
  max-height: calc(100svh - 36px);
  overflow-y: auto;
  border: 1px solid var(--line);
  padding: 56px 42px 30px;
  color: var(--ink);
  background: var(--paper);
}
dialog::backdrop {
  background: rgb(18 32 25 / 55%);
  backdrop-filter: blur(5px);
}
.close-dialog {
  position: absolute;
  right: 13px;
  top: 13px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
}
.dialog-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}
dialog h2 {
  font-size: 44px;
}
#mini-description {
  font-size: 15px;
  line-height: 1.8;
  margin-top: 12px;
}
.mini-code {
  margin: 24px 0 20px;
  text-align: center;
}
.mini-code img {
  width: min(220px, 100%);
  height: auto;
  margin: 0 auto;
}
.mini-code figcaption {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.mini-code .text-link {
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink);
}
.dialog-note {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
}
.copy-name {
  margin-top: 24px;
  width: 100%;
}
.copy-status {
  min-height: 20px;
  font-size: 12px;
  margin-top: 12px;
  line-height: 1.7;
  color: var(--muted);
}
@media (min-width: 1800px) {
  .hero {
    grid-template-columns: 43% 57%;
  }
  .hero-copy {
    padding-left: max(var(--gutter), calc((100vw - 1640px) / 2));
  }
}
@media (max-width: 1199px) {
  .site-header {
    gap: 32px;
  }
  nav {
    gap: 28px;
  }
  .hero {
    grid-template-columns: 46% 54%;
  }
  h1 {
    font-size: clamp(38px, 4.7vw, 57px);
  }
  .hero-subtitle {
    font-size: 20px;
    white-space: normal;
  }
  .hero-actions {
    gap: 24px;
    flex-wrap: wrap;
  }
  .hero-actions .button {
    font-size: 14px;
    padding-inline: 18px;
  }
  .hero-description {
    font-size: 14px;
  }
  .product-layout {
    gap: 28px;
    grid-template-columns: 1.25fr 1fr;
  }
  summary {
    gap: 16px;
    padding-block: 24px;
  }
  summary h3 {
    font-size: 22px;
  }
  .detail-body {
    padding-left: 48px;
  }
  .about {
    gap: 36px;
  }
}
@media (max-width: 760px) {
  :root {
    --gutter: 24px;
  }
  .site-header {
    height: auto;
    min-height: 120px;
    padding-top: 15px;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px 20px;
  }
  .wordmark > span {
    font-size: 32px;
  }
  .wordmark small {
    font-size: 8px;
  }
  .header-cta {
    min-height: 42px;
    font-size: 13px;
    padding: 9px 19px;
  }
  nav {
    order: 3;
    margin: 0;
    width: 100%;
    justify-content: space-between;
    gap: 20px;
  }
  nav a {
    font-size: 13px;
    padding: 8px 0 14px;
  }
  .hero {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 0;
  }
  .hero-copy {
    padding: 45px var(--gutter) 29px;
  }
  .hero-message {
    padding: 0;
  }
  h1 {
    font-size: clamp(35px, 8.8vw, 58px);
    line-height: 1.45;
    letter-spacing: -0.04em;
  }
  .short-rule {
    margin: 24px 0;
    width: 35px;
  }
  .hero-subtitle {
    font-size: clamp(17px, 4.5vw, 24px);
  }
  .hero-description {
    margin-top: 18px;
    line-height: 1.95;
    font-size: 13px;
    max-width: 440px;
  }
  .hero-actions {
    margin-top: 27px;
    gap: 26px;
  }
  .hero-actions .button {
    min-height: 50px;
    padding-inline: 19px;
    gap: 15px;
  }
  .text-link {
    font-size: 13px;
  }
  .operator {
    position: static;
    margin-top: 35px;
    font-size: 10px;
  }
  .hero-media {
    height: 440px;
  }
  .hero-media img {
    object-position: center 62%;
  }
  .business-strip {
    min-height: 70px;
    gap: 12px;
    font-size: 13px;
    letter-spacing: 0.025em;
  }
  .business-strip i {
    font-size: 10px;
  }
  .section-pad {
    padding: 68px var(--gutter);
  }
  .section-intro {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 30px;
  }
  .section-label {
    margin: 0;
    font-size: 12px;
    gap: 12px;
  }
  .section-label span {
    width: 25px;
  }
  h2 {
    font-size: clamp(32px, 8vw, 48px);
  }
  .section-description {
    font-size: 14px;
    margin-top: 18px;
  }
  .product-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .fabric-figure figcaption {
    font-size: 12px;
  }
  summary {
    padding: 23px 2px;
    gap: 18px;
  }
  summary h3 {
    font-size: 23px;
  }
  .number {
    font-size: 21px;
  }
  .detail-body {
    padding-left: 43px;
    padding-right: 12px;
  }
  .inspiration {
    padding-top: 10px;
  }
  .inspiration-heading {
    display: block;
    margin-bottom: 28px;
  }
  .inspiration-heading > p {
    margin-top: 16px;
    font-size: 11px;
  }
  .inspiration-grid {
    gap: 36px;
    grid-template-columns: 1fr;
  }
  .image-frame img {
    aspect-ratio: 1;
  }
  .inspiration-grid figcaption {
    margin-top: 17px;
  }
  .inspiration-grid h3 {
    font-size: 30px;
  }
  .inspiration-grid figcaption p {
    font-size: 14px;
    margin-top: 5px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .about-label {
    font-size: 12px;
    margin-bottom: 19px;
  }
  .about h2 {
    font-size: clamp(30px, 7.8vw, 44px);
  }
  .about-copy {
    padding-top: 0;
  }
  .about-copy h3 {
    font-size: 23px;
  }
  .about-copy > p {
    font-size: 14px;
    margin-top: 16px;
  }
  .button-outline {
    min-height: 51px;
    font-size: 14px;
  }
  .site-footer {
    padding-top: 32px;
  }
  .footer-main {
    display: block;
    padding-bottom: 20px;
  }
  .footer-main p {
    font-size: 17px;
  }
  .footer-main a {
    display: inline-block;
    margin-top: 10px;
    font-size: 12px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    font-size: 10px;
  }
  dialog {
    padding: 54px 27px 24px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}