@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("../fonts/harmony-regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("../fonts/harmony-medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "HarmonyOS Sans SC";
  src: url("../fonts/harmony-bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Faculty Glyphic";
  src: url("../fonts/faculty-glyphic.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --brand-gray: #939393;
  --brand-cyan: #82f0f5;
  --brand-brown: #685651;
  --brand-lime: #dbff8d;
  --brand-red: #932c2c;
  --brand-silk: #dddddd;
  --ink: #292523;
  --dai: #24201f;
  --paper: #f5f4f2;
  --paper-deep: var(--brand-silk);
  --plain-white: #ffffff;
  --gray: var(--brand-gray);
  --cyan: var(--brand-cyan);
  --brown: var(--brand-brown);
  --bamboo: var(--brand-lime);
  --red: var(--brand-red);
  --silk: var(--brand-silk);
  --line: rgba(104, 86, 81, 0.2);
  --shell: min(1240px, calc(100vw - 80px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "HarmonyOS Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font: inherit;
}

img {
  display: block;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: white;
  background: #24201f;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}

.wordmark-logo {
  display: block;
  width: 150px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 60px);
}

.nav-link {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 48px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 3px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 220ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: white;
}

.nav-link.is-active::after,
.nav-link:hover::after {
  width: 28px;
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  background: transparent;
  align-content: center;
  justify-items: end;
  gap: 7px;
}

.menu-button span {
  width: 25px;
  height: 1px;
  background: white;
}

.home-hero {
  position: relative;
  min-height: 780px;
  height: min(86vh, 900px);
  overflow: hidden;
  color: white;
  background: var(--dai);
}

.home-hero-image {
  object-fit: cover;
  object-position: center 64%;
  filter: none;
  transform: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(36, 32, 31, 0.9) 0%, rgba(104, 86, 81, 0.52) 38%, rgba(104, 86, 81, 0.04) 72%),
    linear-gradient(0deg, rgba(36, 32, 31, 0.62), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: inherit;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-top: 80px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brown);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.eyebrow.light {
  color: var(--silk);
}

.hero-content h1,
.page-hero h1,
.about-hero h1,
.family-hero h1 {
  margin: 0;
  font-size: clamp(52px, 7vw, 100px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0.12em;
}

.hero-english {
  margin: 16px 0 28px;
  font-family: "Faculty Glyphic", sans-serif;
  font-size: clamp(18px, 2vw, 27px);
  color: var(--silk);
}

.hero-intro {
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.9;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 12px 20px;
  border: 1px solid currentColor;
  font-size: 14px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-cyan {
  color: white;
  background: var(--red);
  border-color: var(--red);
}

.button-dark {
  background: var(--dai);
  color: white;
  border-color: var(--dai);
}

.hero-index {
  position: absolute;
  right: 34px;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 14px;
  writing-mode: vertical-rl;
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
}

.hero-index i {
  display: block;
  width: 1px;
  height: 74px;
  background: rgba(255, 255, 255, 0.4);
}

.values-ribbon {
  background: #fbfaf7;
  border-bottom: 1px solid var(--line);
}

.values-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 116px;
}

.value-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 12px;
  padding: 20px 26px;
  border-right: 1px solid var(--line);
}

.value-item:first-child {
  border-left: 1px solid var(--line);
}

.value-item > span,
.timeline-item > span,
.expertise-list article > span {
  font-family: "Faculty Glyphic", sans-serif;
  color: var(--brown);
  font-size: 11px;
}

.value-item strong,
.value-item small {
  display: block;
}

.value-item strong {
  margin-bottom: 4px;
  font-size: 19px;
  font-weight: 500;
}

.value-item small {
  color: #66645f;
  font-size: 11px;
  line-height: 1.5;
}

.section {
  padding-top: 110px;
  padding-bottom: 110px;
}

.section-heading {
  margin-bottom: 42px;
}

.section-heading h2,
.manifesto-sticky h2,
.site-footer h2,
.positioning-grid h2,
.expertise-grid h2 {
  margin: 0;
  font-size: clamp(35px, 4vw, 58px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.25;
}

.section-heading > p:last-child,
.split-heading > p {
  color: #6f6c65;
}

.split-heading {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 450px);
  gap: 60px;
  align-items: end;
}

.split-heading > p {
  margin: 0 0 8px;
  max-width: 44ch;
}

.family-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.family-card {
  position: relative;
  min-height: 455px;
  overflow: hidden;
  color: white;
  background: #181715;
}

.family-card > img {
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.family-card:nth-child(1) > img {
  object-position: 50% 72%;
}

.family-card:nth-child(2) > img {
  object-position: center;
}

.family-card:nth-child(3) > img {
  object-position: 50% 78%;
}

.family-card:hover > img {
  transform: scale(1.045);
}

.family-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 52%, rgba(0, 0, 0, 0.72));
}

.family-order,
.family-copy,
.family-action {
  position: absolute;
  z-index: 1;
}

.family-order {
  top: 24px;
  left: 24px;
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 12px;
}

.family-copy {
  left: 24px;
  top: 58px;
  right: 24px;
}

.family-copy small,
.family-copy strong,
.family-copy span {
  display: block;
}

.family-copy small {
  color: rgba(255, 255, 255, 0.62);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.family-copy strong {
  margin: 8px 0 4px;
  font-size: 30px;
  font-weight: 500;
}

.family-copy span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.74);
}

.family-action {
  left: 24px;
  bottom: 22px;
  min-width: 126px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.accent-cyan .family-action,
.accent-cyan .family-copy strong {
  border-color: var(--cyan);
}

.accent-bamboo .family-action {
  border-color: var(--bamboo);
}

.accent-silk .family-action {
  border-color: var(--silk);
}

.manifesto-section {
  background: var(--dai);
  color: white;
  padding: 110px 0;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 10vw;
}

.manifesto-sticky h2 {
  font-size: clamp(48px, 6vw, 84px);
}

.mission-list {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.mission-list > div {
  min-height: 84px;
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.mission-list span {
  font-family: "Faculty Glyphic", sans-serif;
  color: var(--silk);
  font-size: 11px;
}

.mission-list strong {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.18em;
}

.channel-section {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 8vw;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.channel-card {
  min-height: 190px;
  padding: 28px;
  background: var(--plain-white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 180ms ease, border-color 180ms ease;
}

.channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--brown);
}

.channel-card-static:hover {
  transform: none;
}

.channel-grid > .channel-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  min-height: 150px;
  background: linear-gradient(135deg, var(--plain-white), #eeeeec);
}

.channel-card small {
  color: var(--red);
  letter-spacing: 0.16em;
}

.channel-card strong {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 500;
}

.channel-card span {
  color: var(--brown);
  font-size: 13px;
}

.home-news-section {
  border-top: 1px solid var(--line);
}

.home-news-section .section-heading {
  max-width: 850px;
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: end;
}

.text-link {
  width: fit-content;
  justify-self: end;
  padding-bottom: 5px;
  color: var(--brown);
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  white-space: nowrap;
}

.text-link span {
  margin-left: 12px;
}

.home-news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 850px;
  margin-inline: auto;
}

.home-news-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  padding: 22px 24px 20px;
  background: var(--plain-white);
  border: 1px solid var(--line);
  transition: transform 180ms ease, background 180ms ease;
  line-height: 1.3;
}

.home-news-card:hover {
  transform: translateY(-4px);
  background: #eeeeec;
}

.home-news-card > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
}

.home-news-card small {
  margin: 14px 0 4px;
  color: var(--brown);
  letter-spacing: 0.12em;
  font-size: 11px;
}

.home-news-card strong {
  font-size: 19px;
  font-weight: 500;
  line-height: 1.25;
}

.home-news-card p {
  margin: 6px 0 16px;
  color: #6d635f;
  font-size: 13px;
  line-height: 1.4;
}

.home-news-card i {
  margin-top: auto;
  color: var(--red);
  font-size: 12px;
  font-style: normal;
}

.page-hero,
.about-hero,
.family-hero {
  position: relative;
  min-height: 520px;
  color: white;
  overflow: hidden;
  background: var(--dai);
}

.page-hero {
  padding-top: 76px;
  display: flex;
  align-items: center;
}

.products-hero {
  min-height: 340px;
  background:
    linear-gradient(90deg, rgba(10, 8, 7, 0.9), rgba(10, 8, 7, 0.38)),
    url("/images/products/final/foguang-temple.jpeg") center 55% / cover;
}

.products-hero .page-hero-content h1 {
  font-size: clamp(48px, 5vw, 68px);
}

.news-hero {
  background:
    linear-gradient(90deg, rgba(36, 32, 31, 0.94), rgba(104, 86, 81, 0.34)),
    url("/images/brand-manual/media-byd.png") center / cover;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero-content h1 {
  font-size: clamp(48px, 6vw, 82px);
}

.page-hero-content > p:last-child {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.family-grid-large .family-card {
  min-height: 560px;
}

.family-hero > img,
.about-hero > img {
  object-fit: cover;
}

.family-hero > img {
  object-position: center 62%;
}

.family-hero-overlay,
.about-hero > span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 7, 6, 0.9), rgba(7, 7, 6, 0.28) 72%);
}

.family-hero-content {
  position: relative;
  z-index: 2;
  min-height: 520px;
  padding-top: 130px;
  padding-bottom: 68px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
}

.family-hero-content > p {
  margin: 28px 0 6px;
  color: var(--silk);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.family-hero-content h1 {
  font-size: clamp(52px, 7vw, 92px);
}

.family-hero-content > strong {
  margin: 14px 0 8px;
  font-size: 19px;
  font-weight: 400;
}

.family-hero-content > span:last-child {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--brown);
  font-size: 13px;
}

.back-link.light {
  color: rgba(255, 255, 255, 0.72);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 16px;
}

.product-card {
  position: relative;
  display: block;
  background: #fbfaf7;
  border: 1px solid var(--line);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 40px rgba(38, 32, 25, 0.1);
}

.product-image {
  position: relative;
  display: block;
  aspect-ratio: 1 / 0.82;
  overflow: hidden;
  background: var(--paper-deep);
}

.product-image img {
  object-fit: cover;
  transition: transform 500ms ease;
}

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

.product-card-copy {
  display: block;
  min-height: 124px;
  padding: 20px 52px 18px 20px;
}

.product-card-copy small,
.product-card-copy strong,
.product-card-copy span {
  display: block;
}

.product-card-copy small {
  color: var(--brown);
  font-size: 11px;
}

.product-card-copy strong {
  margin: 6px 0 8px;
  font-size: 20px;
  font-weight: 500;
}

.product-card-copy span {
  color: var(--gray);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
}

.product-arrow {
  position: absolute;
  right: 19px;
  bottom: 20px;
  color: var(--brown);
}

.product-detail {
  padding-top: 126px;
}

.product-detail-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
}

.detail-visual {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--paper-deep);
}

.detail-visual img {
  object-fit: cover;
}

.detail-series {
  color: var(--brown);
  font-size: 13px;
}

.detail-copy h1 {
  margin: 8px 0 18px;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 400;
  line-height: 1.22;
}

.detail-lead {
  color: #5d5b56;
  font-size: 17px;
}

.detail-price {
  margin-top: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.detail-price small {
  color: var(--gray);
}

.detail-price strong {
  font-family: "Faculty Glyphic", "HarmonyOS Sans SC", sans-serif;
  font-size: 32px;
  font-weight: 400;
  color: var(--red);
}

.price-note {
  margin: 12px 0 24px;
  color: var(--gray);
  font-size: 11px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spec-section {
  margin-top: 100px;
  padding-top: 70px;
  border-top: 1px solid var(--line);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.spec-grid > div {
  min-height: 105px;
  padding: 20px 24px 20px 0;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.spec-grid > div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.spec-grid > div:nth-child(even) {
  padding-left: 24px;
}

.spec-grid dt {
  color: var(--gray);
  font-size: 12px;
}

.spec-grid dd {
  margin: 0;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 60px 160px 1fr;
  gap: 32px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item time {
  font-family: "Faculty Glyphic", sans-serif;
  color: var(--red);
}

.timeline-item p {
  margin: 0;
  color: #55534e;
}

.coverage-section {
  color: white;
  background: var(--dai);
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.coverage-grid article {
  min-height: 300px;
  padding: 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.coverage-grid article > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
}

.coverage-grid small {
  display: block;
  margin: 54px 0 10px;
  color: var(--bamboo);
}

.coverage-grid h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 400;
}

.coverage-grid p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.about-hero {
  min-height: 650px;
  display: flex;
  align-items: flex-end;
  padding: 140px 0 86px;
}

.about-hero > img {
  object-position: center;
}

.about-hero .page-hero-content > p:last-child {
  max-width: 760px;
}

.positioning-grid,
.expertise-grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 8vw;
}

.positioning-copy {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.positioning-copy strong {
  display: block;
  max-width: 20ch;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.35;
  font-weight: 400;
}

.positioning-copy p {
  margin-top: 30px;
  color: var(--brown);
  font-size: 19px;
}

.values-section {
  background: var(--paper-deep);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.about-values article {
  min-height: 250px;
  padding: 25px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-values article > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
}

.about-values h3 {
  margin: 60px 0 12px;
  font-size: 30px;
  font-weight: 400;
}

.about-values p {
  color: #64615b;
  font-size: 13px;
}

.mission-words {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mission-words span {
  padding: 18px 8px;
  text-align: center;
  border-right: 1px solid var(--line);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.mission-words span:last-child {
  border-right: 0;
}

.expertise-list article {
  display: grid;
  grid-template-columns: 50px 1fr 1.4fr;
  gap: 22px;
  align-items: start;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.expertise-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.expertise-list h3,
.expertise-list p {
  margin: 0;
}

.expertise-list h3 {
  font-size: 22px;
  font-weight: 500;
}

.expertise-list p {
  color: #64615b;
}

.about-channel-section {
  padding-top: 0;
}

.site-footer {
  padding-top: 80px;
  color: white;
  background: var(--dai);
}

.footer-grid {
  display: grid;
  grid-template-columns: 5fr 2fr 5fr;
  gap: 5vw;
  padding-bottom: 70px;
}

.site-footer h2 {
  font-size: 36px;
}

.footer-links,
.footer-channels {
  display: flex;
  flex-direction: column;
}

.footer-links {
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
}

.footer-channels a,
.footer-channel {
  display: grid;
  grid-template-columns: 72px 1fr;
  column-gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.footer-channels span {
  color: var(--silk);
}

.footer-channels strong {
  color: rgba(255, 255, 255, 0.68);
  font-weight: 400;
}

.footer-bottom {
  min-height: 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.42);
  font-family: "Faculty Glyphic", "HarmonyOS Sans SC", sans-serif;
  font-size: 11px;
}

@media (max-width: 980px) {
  :root {
    --shell: min(100% - 44px, 860px);
  }

  .values-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-item:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .family-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .family-grid .family-card:last-child {
    grid-column: 1 / -1;
  }

  .product-detail-grid,
  .manifesto-grid,
  .channel-section,
  .positioning-grid,
  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .coverage-grid,
  .about-values,
  .home-news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .home-news-card:last-child {
    grid-column: 1 / -1;
  }

  .mission-words {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-channels {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100vw - 36px);
  }

  .header-inner {
    min-height: 68px;
  }

  .menu-button {
    display: grid;
  }

  .primary-nav {
    position: absolute;
    inset: 68px 0 auto;
    display: none;
    padding: 16px 18px 22px;
    background: rgba(12, 12, 11, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-link {
    justify-items: start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-link::after {
    display: none;
  }

  .home-hero {
    min-height: 560px;
    height: 70svh;
  }

  .home-hero-image {
    object-position: center 72%;
    transform: none;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(36, 32, 31, 0.82), rgba(104, 86, 81, 0.3) 58%, rgba(36, 32, 31, 0.84));
  }

  .hero-content {
    justify-content: flex-end;
    padding: 150px 0 72px;
  }

  .hero-content h1 {
    font-size: 48px;
  }

  .hero-index {
    display: none;
  }

  .values-row,
  .family-grid,
  .product-grid,
  .channel-grid,
  .spec-grid,
  .coverage-grid,
  .about-values,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .value-item,
  .value-item:first-child,
  .value-item:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .section,
  .manifesto-section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .family-card,
  .family-grid-large .family-card {
    min-height: 480px;
  }

  .family-grid .family-card:last-child {
    grid-column: auto;
  }

  .mission-list strong {
    font-size: 22px;
  }

  .page-hero,
  .family-hero {
    min-height: 520px;
  }

  .page-hero h1,
  .family-hero h1,
  .about-hero h1 {
    font-size: 48px;
  }

  .family-hero > img {
    transform: scale(1.25);
    object-position: center 75%;
  }

  .product-detail-grid {
    margin-top: 8px;
  }

  .detail-copy h1 {
    font-size: 40px;
  }

  .detail-price {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .spec-grid > div,
  .spec-grid > div:nth-child(even) {
    padding: 18px 0;
    grid-template-columns: 1fr;
    gap: 6px;
    border-right: 0;
  }

  .timeline-item {
    grid-template-columns: 40px 1fr;
    gap: 10px 18px;
  }

  .timeline-item p {
    grid-column: 2;
  }

  .mission-words {
    grid-template-columns: repeat(2, 1fr);
  }

  .expertise-list article {
    grid-template-columns: 40px 1fr;
  }

  .expertise-list p {
    grid-column: 2;
  }

  .footer-grid {
    gap: 36px;
  }

  .footer-channels {
    grid-column: auto;
  }

  .footer-bottom {
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}


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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

/* 2026 prototype-aligned catalogue layout */
body {
  background:
    radial-gradient(circle at 18% 12%, rgba(147, 44, 44, 0.04), transparent 28%),
    linear-gradient(180deg, #ffffff, var(--paper));
}

.site-header {
  background: #24201f;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.home-hero {
  min-height: 520px;
  height: clamp(520px, 45vw, 640px);
}

.home-hero-image {
  object-position: center bottom;
  filter: none;
  transform: none;
}

.hero-content h1 {
  font-size: clamp(50px, 5.8vw, 82px);
}

.section,
.manifesto-section {
  padding-top: 82px;
  padding-bottom: 82px;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading h2,
.positioning-grid h2,
.expertise-grid h2 {
  font-size: clamp(32px, 3.1vw, 46px);
}

.family-grid {
  gap: 22px;
}

.family-card,
.family-grid-large .family-card {
  position: relative;
  min-height: 0;
  overflow: visible;
  display: block;
  color: var(--ink);
  background: #fbfaf7;
  border: 1px solid rgba(104, 86, 81, 0.18);
  box-shadow: 0 12px 36px rgba(46, 35, 28, 0.06);
}

.family-card-visual {
  position: relative;
  display: block;
  aspect-ratio: 1.16 / 1;
  overflow: hidden;
  background: #171513;
}

.family-card-visual img {
  object-fit: cover;
  transition: transform 500ms ease;
}

.family-card:nth-child(1) .family-card-visual img {
  object-position: center;
  transform-origin: center;
}

.family-card:nth-child(2) .family-card-visual img {
  object-position: center;
}

.family-card:nth-child(3) .family-card-visual img {
  object-position: center;
}

.family-card:hover .family-card-visual img {
  transform: scale(1.025);
}

.family-card-copy {
  position: static;
  display: block;
  min-height: 196px;
  padding: 22px 24px 20px;
}

.family-card-meta {
  display: flex;
  justify-content: flex-start;
  align-items: baseline;
  gap: 22px;
  margin-bottom: 12px;
  color: var(--brown);
}

.family-card-meta b,
.family-card-meta small {
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.family-card-meta b {
  display: inline-block;
  min-width: 40px;
}

.family-card-copy > strong,
.family-card-copy > span {
  display: block;
}

.family-card-copy > strong {
  margin-bottom: 5px;
  font-size: 27px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.family-card-copy > span:not(.family-action) {
  color: #6d6962;
  font-size: 13px;
}

.family-card .family-action {
  position: static;
  width: fit-content;
  min-width: 116px;
  margin-top: 24px;
  padding: 8px 12px;
  color: var(--brown);
  border: 1px solid rgba(104, 86, 81, 0.42);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.family-catalog-hero {
  padding: 136px 0 68px;
  background: #f5f3ed;
  border-bottom: 1px solid var(--line);
}

.family-catalog-grid {
  display: grid;
  grid-template-columns: 4fr 7fr;
  align-items: stretch;
  gap: 46px;
}

.family-catalog-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 0;
}

.family-catalog-copy .back-link {
  margin-bottom: 42px;
}

.family-catalog-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(44px, 5vw, 70px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.18;
}

.family-catalog-copy > strong {
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 500;
}

.family-catalog-copy > span {
  color: #6f6c65;
  font-size: 14px;
}

.family-catalog-image {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: #171513;
}

.family-catalog-image img {
  object-fit: cover;
  object-position: center 65%;
}

/* Single-page product catalogue */
.product-catalogue-section {
  padding-top: 42px;
}

.product-series-heading {
  margin-bottom: 22px;
}

.product-series-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.product-family-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 34px;
}

.product-family-tab {
  appearance: none;
  min-height: 148px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 18px 20px 18px 12px;
  border: 1px solid var(--line);
  border-top: 4px solid transparent;
  background: var(--plain-white);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.product-family-tab:hover {
  transform: translateY(-4px);
  border-color: rgba(104, 86, 81, 0.55);
}

.product-family-tab.is-active {
  border-top-color: var(--red);
  background: linear-gradient(145deg, #ffffff, #eeeeec);
  box-shadow: 0 18px 44px rgba(104, 86, 81, 0.12);
}

.family-tab-logo {
  width: 52px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 5px;
  margin-bottom: 0;
  color: var(--brown);
}

.family-tab-logo i {
  display: block;
  height: 4px;
  background: currentColor;
  clip-path: polygon(8% 0, 92% 0, 100% 100%, 72% 72%, 50% 100%, 28% 72%, 0 100%);
}

.family-tab-logo i:nth-child(1) { width: 28px; }
.family-tab-logo i:nth-child(2) { width: 40px; }
.family-tab-logo i:nth-child(3) { width: 52px; }
.family-tab-logo-decor { color: var(--bamboo); }
.family-tab-logo-signature { color: var(--red); }
.family-tab-logo-signature i:nth-child(1) { width: 24px; }
.family-tab-logo-signature i:nth-child(2) { width: 38px; }
.family-tab-logo-signature i:nth-child(3) { width: 50px; }

.family-tab-logo-img {
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.family-tab-copy,
.family-tab-copy small,
.family-tab-copy strong,
.family-tab-copy span {
  display: block;
}

.family-tab-copy small {
  margin-bottom: 7px;
  color: var(--brown);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.family-tab-copy strong {
  margin-bottom: 5px;
  font-size: 23px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.family-tab-copy span {
  color: #6d6357;
  font-size: 12px;
  line-height: 1.55;
}

.product-family-panel[hidden],
.product-purchase-modal[hidden] {
  display: none;
}

.catalogue-series + .catalogue-series {
  margin-top: 78px;
}

.catalogue-series-heading {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  padding-top: 28px;
  margin-bottom: 28px;
  border-top: 1px solid rgba(118, 81, 61, 0.35);
}

.catalogue-series-heading > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 12px;
}

.catalogue-series-heading .eyebrow {
  margin-bottom: 4px;
}

.catalogue-series-heading h3 {
  margin: 0 0 8px;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.catalogue-series-heading div > p:last-child {
  max-width: 760px;
  margin: 0;
  color: #6d6357;
  font-size: 14px;
}

.catalogue-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.catalogue-product-card {
  appearance: none;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--plain-white);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(104, 86, 81, 0.05);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.catalogue-product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(104, 86, 81, 0.7);
  box-shadow: 0 18px 42px rgba(104, 86, 81, 0.13);
}

.catalogue-product-image {
  position: relative;
  display: block;
  aspect-ratio: 1 / 0.82;
  overflow: hidden;
  background: var(--paper-deep);
}

.catalogue-product-image img {
  object-fit: cover;
  transition: transform 450ms ease;
}

.catalogue-product-card:hover .catalogue-product-image img {
  transform: scale(1.025);
}

.catalogue-product-copy {
  min-height: 128px;
  display: block;
  padding: 18px 18px 16px;
}

.catalogue-product-copy small,
.catalogue-product-copy strong,
.catalogue-product-copy span {
  display: block;
}

.catalogue-product-copy small {
  color: var(--brown);
  font-size: 11px;
}

.catalogue-product-copy strong {
  margin: 6px 0 12px;
  font-size: 19px;
  font-weight: 500;
}

.catalogue-product-copy span {
  color: var(--red);
  font-family: "Faculty Glyphic", "HarmonyOS Sans SC", sans-serif;
  font-size: 15px;
}

.product-purchase-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
}

.product-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(21, 31, 29, 0.82);
  backdrop-filter: blur(8px);
}

.product-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 44px 48px 38px;
  background: linear-gradient(145deg, #ffffff, #eeeeec);
  border: 1px solid rgba(104, 86, 81, 0.58);
  box-shadow: 0 32px 90px rgba(11, 20, 18, 0.42);
  text-align: center;
}

.product-modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--dai);
  font-size: 30px;
  cursor: pointer;
}

.product-modal-dialog h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 400;
}

.product-modal-price {
  margin: 8px 0 20px;
  color: var(--red);
  font-size: 20px;
}

.wechat-store-qr-frame {
  position: relative;
  width: min(280px, 80vw);
  aspect-ratio: 1;
  margin: 0 auto 20px;
  border: 12px solid var(--plain-white);
  outline: 1px solid rgba(104, 86, 81, 0.3);
  background: var(--plain-white);
  box-shadow: 0 12px 32px rgba(36, 32, 31, 0.12);
}

.wechat-store-qr {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.wechat-store-qr-frame span {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 3px 9px;
  color: var(--plain-white);
  background: var(--red);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.product-modal-note {
  margin: 0;
  color: #716558;
  font-size: 12px;
  line-height: 1.7;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  .catalogue-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .product-family-tabs,
  .catalogue-product-grid {
    grid-template-columns: 1fr;
  }

  .product-family-tab {
    min-height: 0;
  }

  .catalogue-series-heading {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .product-modal-dialog {
    padding: 40px 22px 28px;
  }
}

.small-series-section + .small-series-section {
  padding-top: 0;
}

.small-series-heading {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(104, 86, 81, 0.32);
}

.small-series-heading > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 12px;
}

.small-series-heading .eyebrow {
  margin-bottom: 7px;
}

.small-series-heading h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: 0.07em;
}

.small-series-heading div > p:last-child {
  max-width: 720px;
  margin: 0;
  color: #6c6962;
  font-size: 14px;
}

.small-series-section .product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  box-shadow: 0 10px 28px rgba(46, 35, 28, 0.045);
}

.product-card-copy {
  min-height: 118px;
}

.page-hero {
  min-height: 440px;
}

.page-hero.products-hero {
  min-height: 340px;
}

.about-hero {
  min-height: 520px;
}

.visual-hero {
  position: relative;
  width: 100%;
  height: clamp(400px, 38vw, 600px);
  overflow: hidden;
  background: #090807;
}

.visual-hero--products {
  margin-top: 76px;
}

.visual-hero--news {
  height: auto;
  background: #f5f4f2;
}

.visual-hero--news > img {
  object-fit: contain;
  object-position: center;
  width: 100%;
  height: auto;
  position: static;
}


.visual-hero--products::after {
  display: none;
}

.visual-hero > img {
  object-fit: cover;
}

.visual-hero::after {
  display: none;
}

.home-hero-image,
.visual-hero > img {
  object-position: center bottom;
}

.visual-hero--products > img {
  object-position: center;
  object-fit: contain;
  background: #f5f4f2;
}

.visual-hero--about-new::after,
.visual-hero--projects-new::after {
  display: none;
}

.visual-hero--about-new {
  height: auto;
  aspect-ratio: 1080 / 460;
}

.visual-hero--about-new > img {
  object-position: center 65%;
}

.visual-hero--projects-new > img {
  object-position: center 62%;
}

.product-highlights-section {
  width: 100%;
  overflow: hidden;
  background: #000;
}

.product-highlights-panel {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.product-highlights-panel > img {
  object-fit: cover;
}

.product-highlights-mask {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 31%;
  height: 12%;
  background: #000;
}

.about-hero > img {
  object-position: center 68%;
}

img[src*="taihe-hall-featured"] {
  object-position: center 68%;
}

.media-coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.media-story-card {
  display: block;
  color: inherit;
  text-decoration: none;
  background: var(--plain-white);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(52, 40, 34, 0.06);
}

.media-story-image,
.collaboration-highlight-image,
.project-case-image {
  position: relative;
  overflow: hidden;
}

.media-story-image {
  min-height: 330px;
  background: var(--dai);
}

.media-story-image img,
.collaboration-highlight-image img,
.project-case-image img {
  object-fit: cover;
  transition: transform 360ms ease;
}

.media-story-card:hover img,
.collaboration-highlight:hover img,
.project-case-card:hover img {
  transform: scale(1.025);
}

.media-story-copy {
  display: grid;
  grid-template-columns: 44px 1fr;
  padding: 26px 28px 30px;
}

.media-story-copy > span,
.collaboration-highlight-copy > span,
.cooperation-mode-grid article > span {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
}

.media-story-copy small,
.collaboration-highlight-copy small {
  color: var(--brown);
  letter-spacing: 0.12em;
}

.media-story-copy h3,
.media-story-copy p {
  grid-column: 2;
}

.media-story-copy h3 {
  margin: 16px 0 10px;
  font-size: 25px;
  font-weight: 500;
}

.media-story-copy p,
.collaboration-highlight-copy p,
.cooperation-mode-grid p {
  margin: 0;
  color: #68615d;
  font-size: 14px;
  line-height: 1.85;
}

.media-story-copy i {
  grid-column: 2;
  margin-top: 18px;
  color: var(--red);
  font-size: 13px;
  font-style: normal;
}

.collaboration-section,
.cooperation-section {
  color: white;
  background: var(--dai);
}

.collaboration-section .split-heading > p,
.cooperation-section .split-heading > p {
  color: rgba(255, 255, 255, 0.62);
}

.collaboration-highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.collaboration-highlight {
  background: #f3f1ed;
  color: var(--ink);
}

.collaboration-highlight-image {
  min-height: 360px;
}

.collaboration-highlight-copy {
  display: grid;
  grid-template-columns: 44px 1fr;
  padding: 28px 30px 32px;
}

.collaboration-highlight-copy h3,
.collaboration-highlight-copy p {
  grid-column: 2;
}

.collaboration-highlight-copy h3 {
  margin: 14px 0 10px;
  font-size: 28px;
  font-weight: 500;
}

.about-milestones-section {
  border-top: 1px solid var(--line);
}

.cooperation-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.cooperation-mode-grid article {
  min-height: 230px;
  padding: 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.cooperation-mode-grid h3 {
  margin: 46px 0 12px;
  font-size: 24px;
  font-weight: 500;
}

.cooperation-mode-grid p {
  color: rgba(255, 255, 255, 0.6);
}

.project-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.project-case-card {
  background: #f4f2ee;
  color: var(--ink);
}

.project-case-image {
  min-height: 250px;
}

.project-case-copy {
  display: grid;
  grid-template-columns: 52px 1fr;
  padding: 24px;
}

.project-case-copy time {
  color: var(--red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 12px;
}

.project-case-copy small {
  color: var(--brown);
  letter-spacing: 0.08em;
}

.project-case-copy h3 {
  grid-column: 2;
  margin: 12px 0 0;
  font-size: 26px;
  font-weight: 500;
}

.about-milestones-section {
  color: var(--ink);
  background: #f4f0ea;
}

.about-positioning-section {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(147, 44, 44, 0.14) 0 1px, transparent 1px) calc(50% - 1px) 0 / 1px 100% no-repeat,
    #201b19;
}

.about-positioning-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  gap: clamp(44px, 6vw, 96px);
  align-items: stretch;
}

.about-positioning-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
}

.about-positioning-copy h2 {
  margin: 14px 0 42px;
  color: #fff;
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 400;
}

.about-positioning-intro p {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 16px;
  line-height: 1.9;
}

.about-positioning-copy strong {
  margin: 0 0 30px;
  padding-left: 20px;
  border-left: 2px solid rgba(147, 44, 44, 0.92);
  color: #fff;
  font-size: clamp(22px, 2vw, 31px);
  font-weight: 400;
  line-height: 1.55;
}

.about-positioning-copy small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.about-positioning-product {
  position: relative;
  min-height: 680px;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(160deg, #f2e6dc 0%, #d8c1b1 100%);
}

.about-positioning-product img {
  object-fit: contain;
  object-position: center;
}

.about-positioning-product figcaption {
  position: absolute;
  right: 28px;
  bottom: 24px;
  padding: 9px 13px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(20, 16, 14, 0.72);
  font-size: 12px;
  letter-spacing: 0.1em;
  backdrop-filter: blur(8px);
}

.about-product-highlights-section {
  color: #fff;
  background: #171311;
}

.about-product-highlights-section .split-heading > p {
  color: rgba(255, 255, 255, 0.58);
}

.about-cooperation-section {
  color: var(--ink);
  background: #f7f4ef;
}

.about-axis-heading {
  position: relative;
  padding-left: clamp(28px, 4vw, 60px);
}

.about-axis-heading::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 2px;
  content: "";
  background: var(--brand-red);
}

.about-axis-heading--dark h2 {
  color: #fff;
}

.about-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  content: "";
  background: rgba(104, 86, 81, 0.3);
}

.about-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
  min-height: 350px;
  align-items: center;
  border-top: 1px solid rgba(104, 86, 81, 0.2);
}

.about-timeline-index {
  grid-column: 2;
  display: grid;
  z-index: 2;
  width: 36px;
  height: 36px;
  place-items: center;
  justify-self: center;
  color: #fff;
  background: var(--brand-red);
  border: 8px solid #f4f0ea;
  box-sizing: content-box;
  font: 11px/1 "Faculty Glyphic", sans-serif;
}

.about-timeline-image {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  min-height: 270px;
  margin: 40px 50px 40px 0;
  overflow: hidden;
  background: #d9cec4;
}

.about-timeline-image img {
  object-fit: cover;
}

.about-timeline-copy {
  grid-column: 3;
  grid-row: 1;
  max-width: 520px;
  padding: 40px 0 40px 50px;
}

.about-timeline-copy time {
  display: block;
  margin-bottom: 24px;
  color: var(--brand-red);
  font-size: clamp(30px, 3vw, 46px);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.about-timeline-copy p {
  margin: 0;
  color: rgba(50, 42, 38, 0.74);
  font-size: 16px;
  line-height: 1.9;
}

.about-timeline-item:nth-child(even) .about-timeline-image {
  grid-column: 3;
  margin: 40px 0 40px 50px;
}

.about-timeline-item:nth-child(even) .about-timeline-copy {
  grid-column: 1;
  justify-self: end;
  padding: 40px 50px 40px 0;
}

.about-highlight-axis {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.about-highlight-structure {
  position: absolute;
  inset: 0 29%;
  margin: 0;
  opacity: 0.38;
  mix-blend-mode: screen;
}

.about-highlight-structure img {
  object-fit: contain;
  object-position: center;
  filter: grayscale(1) contrast(1.12);
}

.about-highlight-columns {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: 720px;
}

.about-highlight-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 4vw, 64px);
  text-align: center;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.about-highlight-column:first-child {
  border-left: 0;
}

.about-highlight-column > span {
  color: rgba(255, 255, 255, 0.42);
  font: 11px/1 "Faculty Glyphic", sans-serif;
  letter-spacing: 0.16em;
}

.about-highlight-column h3 {
  margin: 28px 0 36px;
  color: #c9482f;
  font-size: clamp(27px, 3vw, 42px);
  font-weight: 400;
  line-height: 1.35;
}

.about-highlight-column ul {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.76);
  list-style: none;
}

.about-highlight-column li {
  font-size: clamp(16px, 1.5vw, 22px);
  line-height: 1.45;
}

.about-collaboration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(104, 86, 81, 0.22);
  border: 1px solid rgba(104, 86, 81, 0.22);
}

.about-collaboration-card {
  background: #fff;
}

.about-collaboration-card figure {
  position: relative;
  min-height: 360px;
  margin: 0;
  overflow: hidden;
}

.about-collaboration-card figure img {
  object-fit: cover;
}

.about-collaboration-card > div {
  padding: clamp(28px, 4vw, 48px);
}

.about-collaboration-card span,
.about-cooperation-grid span {
  color: var(--brand-red);
  font: 11px/1 "Faculty Glyphic", sans-serif;
  letter-spacing: 0.12em;
}

.about-collaboration-card h3 {
  margin: 18px 0 16px;
  font-size: clamp(25px, 2.2vw, 34px);
  font-weight: 400;
}

.about-collaboration-card p,
.about-cooperation-grid p {
  margin: 0;
  color: rgba(50, 42, 38, 0.68);
  line-height: 1.8;
}

.about-subheading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin: clamp(72px, 9vw, 132px) 0 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(104, 86, 81, 0.24);
}

.about-subheading h3 {
  margin: 0;
  font-size: clamp(30px, 3.5vw, 50px);
  font-weight: 400;
}

.about-cooperation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(104, 86, 81, 0.24);
  border-left: 1px solid rgba(104, 86, 81, 0.24);
}

.about-cooperation-grid article {
  min-height: 250px;
  padding: clamp(26px, 3vw, 42px);
  border-right: 1px solid rgba(104, 86, 81, 0.24);
  border-bottom: 1px solid rgba(104, 86, 81, 0.24);
}

.about-cooperation-grid h4 {
  margin: 28px 0 18px;
  font-size: 23px;
  font-weight: 500;
}

.about-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 32px);
}

.about-project-card {
  background: #fff;
  border: 1px solid rgba(104, 86, 81, 0.2);
}

.about-project-card figure {
  position: relative;
  min-height: 270px;
  margin: 0;
  overflow: hidden;
}

.about-project-card figure img {
  object-fit: cover;
}

.about-project-card > div {
  display: grid;
  grid-template-columns: 72px 1fr;
  padding: 28px;
}

.about-project-card time {
  grid-row: 1 / span 2;
  color: var(--brand-red);
  font: 13px/1.5 "Faculty Glyphic", sans-serif;
}

.about-project-card p,
.about-project-card h4 {
  margin: 0;
}

.about-project-card p {
  color: var(--brand-brown);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.about-project-card h4 {
  margin-top: 10px;
  font-size: 26px;
  font-weight: 500;
}

/* Project cooperation channel */
.project-page-intro {
  color: #fff;
  background: #211c1a;
}

.project-page-intro-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  min-height: 520px;
}

.project-page-intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(64px, 8vw, 120px) clamp(32px, 6vw, 92px) clamp(64px, 8vw, 120px) 0;
}

.project-page-intro-copy h1 {
  margin: 12px 0 30px;
  font-size: clamp(52px, 6vw, 92px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.08;
}

.project-page-intro-copy > p:last-child {
  max-width: 30em;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 16px;
  line-height: 1.9;
}

.project-page-intro-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.project-page-intro-images figure {
  position: relative;
  min-height: 520px;
  margin: 0;
  overflow: hidden;
}

.project-page-intro-images img {
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.project-left-heading {
  max-width: none;
  padding-left: clamp(28px, 4vw, 60px);
  position: relative;
}

.project-left-heading::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 2px;
  content: "";
  background: var(--brand-red);
}

.project-left-heading h2 {
  margin-top: 10px;
}

.project-cases-section {
  background: #f7f4ef;
}

.project-collaboration-section {
  color: #fff;
  background: #211c1a;
}

.project-left-heading--light h2 {
  color: #fff;
}

.project-collaboration-section .collaboration-highlight-grid {
  background: rgba(255, 255, 255, 0.14);
}

/* Taihe Hall interactive typography preview */
.taihe-effect-page {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 124px max(42px, calc((100vw - 1460px) / 2)) 58px;
  color: #342a26;
  background:
    radial-gradient(circle at 56% 34%, rgba(255, 255, 255, 0.92), transparent 34%),
    linear-gradient(120deg, #e7dfd6 0%, #f6f2eb 50%, #e9e1d7 100%);
}

.taihe-effect-grain {
  position: absolute;
  inset: 0;
  opacity: 0.26;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(91deg, rgba(104, 86, 81, 0.025) 0 1px, transparent 1px 5px),
    repeating-linear-gradient(2deg, rgba(104, 86, 81, 0.018) 0 1px, transparent 1px 7px);
  mix-blend-mode: multiply;
}

.taihe-effect-back {
  position: relative;
  z-index: 5;
  display: inline-flex;
  padding-bottom: 6px;
  color: var(--brand-brown);
  border-bottom: 1px solid rgba(104, 86, 81, 0.42);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.taihe-effect-layout {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(480px, 1.65fr) minmax(180px, 0.55fr);
  align-items: center;
  gap: clamp(22px, 3vw, 54px);
}

.taihe-effect-copy {
  align-self: center;
  max-width: 390px;
  animation: taihe-copy-in 1000ms 180ms both cubic-bezier(0.2, 0.8, 0.2, 1);
}

.taihe-effect-kicker {
  margin: 0 0 24px;
  color: var(--brand-red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
}

.taihe-effect-copy h1 {
  margin: 0 0 34px;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(56px, 5.6vw, 92px);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.02;
}

.taihe-effect-copy > p:not(.taihe-effect-kicker) {
  margin: 0;
  color: rgba(52, 42, 38, 0.74);
  font-size: 14px;
  line-height: 2.05;
}

.taihe-effect-copy > span {
  display: block;
  margin-top: 32px;
  padding-top: 18px;
  color: var(--brand-brown);
  border-top: 1px solid rgba(104, 86, 81, 0.3);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.taihe-effect-stage {
  position: relative;
  width: 100%;
  height: min(68vw, 700px);
  min-height: 580px;
  isolation: isolate;
  cursor: default;
}

.taihe-effect-roof {
  position: absolute;
  z-index: 4;
  top: 38px;
  left: 50%;
  width: min(100%, 650px);
  height: 250px;
  overflow: visible;
  transform: translateX(-50%);
  filter: drop-shadow(0 22px 17px rgba(56, 37, 27, 0.22));
}

.taihe-effect-roof-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 26px;
}

.taihe-effect-curtain {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-mask-image: linear-gradient(180deg, transparent 9%, #000 23%, #000 84%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 9%, #000 23%, #000 84%, transparent 100%);
}

.taihe-effect-shadow {
  position: absolute;
  z-index: 1;
  left: 12%;
  right: 12%;
  bottom: 36px;
  height: 50px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(70, 46, 34, 0.22), transparent 66%);
  filter: blur(16px);
}

.taihe-effect-notes {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: baseline;
  align-self: center;
  animation: taihe-copy-in 1000ms 360ms both cubic-bezier(0.2, 0.8, 0.2, 1);
}

.taihe-effect-notes span,
.taihe-effect-notes p {
  margin: 0;
  padding: 16px 0;
  border-bottom: 1px solid rgba(104, 86, 81, 0.22);
}

.taihe-effect-notes span {
  color: var(--brand-red);
  font-family: "Faculty Glyphic", sans-serif;
  font-size: 10px;
}

.taihe-effect-notes p {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 16px;
  letter-spacing: 0.08em;
}

.taihe-effect-notes small {
  grid-column: 2;
  margin-top: 38px;
  color: rgba(104, 86, 81, 0.62);
  font-size: 10px;
  letter-spacing: 0.14em;
  line-height: 1.8;
}

@keyframes taihe-stage-in {
  from { opacity: 0; transform: translateY(-22px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes taihe-copy-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .taihe-effect-copy,
  .taihe-effect-stage,
  .taihe-effect-notes {
    animation: none;
  }
}

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

  .family-catalog-copy {
    padding-bottom: 0;
  }

  .family-catalog-image {
    min-height: 400px;
  }

  .small-series-section .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cooperation-mode-grid,
  .project-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-positioning-layout {
    grid-template-columns: 1fr;
  }

  .about-positioning-copy {
    max-width: 760px;
  }

  .about-positioning-product {
    min-height: 620px;
  }

  .about-timeline-item {
    grid-template-columns: minmax(0, 1fr) 54px minmax(0, 1fr);
  }

  .about-highlight-columns,
  .about-highlight-axis {
    min-height: 640px;
  }

  .about-highlight-column {
    padding: 30px 24px;
  }

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

  .project-page-intro-layout {
    grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  }

  .project-page-intro-copy {
    padding-right: 36px;
  }

  .taihe-effect-page {
    padding-inline: 34px;
  }

  .taihe-effect-layout {
    grid-template-columns: minmax(220px, 0.75fr) minmax(420px, 1.4fr);
  }

  .taihe-effect-notes {
    display: none;
  }
}

@media (max-width: 720px) {
  .home-hero {
    min-height: 540px;
    height: 72svh;
  }

  .visual-hero {
    height: clamp(340px, 66vw, 460px);
  }

  .visual-hero--products {
    margin-top: 68px;
  }

  .home-hero-image,
  .visual-hero > img {
    transform: scale(1.35);
    transform-origin: center bottom;
  }

  .visual-hero--products > img {
    transform: none;
    object-position: center;
    object-fit: contain;
  }

  .visual-hero--about-new > img,
  .visual-hero--projects-new > img {
    transform: none;
  }

  .visual-hero--about-new {
    height: clamp(340px, 66vw, 460px);
    aspect-ratio: auto;
  }

  .family-card,
  .family-grid-large .family-card {
    min-height: 0;
  }

  .family-card-copy {
    min-height: 178px;
  }

  .family-catalog-hero {
    padding: 100px 0 48px;
  }

  .family-catalog-copy .back-link {
    margin-bottom: 24px;
  }

  .family-catalog-image {
    min-height: 300px;
  }

  .small-series-heading {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
  }

  .small-series-section .product-grid {
    grid-template-columns: 1fr;
  }

  .home-news-grid {
    grid-template-columns: 1fr;
  }

  .home-news-card:last-child {
    grid-column: auto;
  }

  .text-link {
    justify-self: start;
  }

  .media-coverage-grid,
  .collaboration-highlight-grid,
  .cooperation-mode-grid,
  .project-case-grid {
    grid-template-columns: 1fr;
  }

  .media-story-image,
  .collaboration-highlight-image {
    min-height: 270px;
  }

  .project-case-image {
    min-height: 230px;
  }

  .project-page-intro-layout {
    grid-template-columns: 1fr;
  }

  .project-page-intro-copy {
    padding: 72px 0 58px;
  }

  .project-page-intro-copy h1 {
    font-size: clamp(46px, 15vw, 68px);
  }

  .project-page-intro-images figure {
    min-height: 300px;
  }

  .about-positioning-copy h2 {
    margin-bottom: 28px;
  }

  .about-positioning-product {
    min-height: 460px;
  }

  .about-positioning-product figcaption {
    right: 16px;
    bottom: 14px;
  }

  .about-milestones-section .split-heading,
  .about-product-highlights-section .split-heading,
  .about-cooperation-section .split-heading {
    margin-bottom: 34px;
  }

  .about-timeline::before {
    left: 18px;
  }

  .about-timeline-item,
  .about-timeline-item:nth-child(even) {
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 0;
    padding: 28px 0 54px;
  }

  .about-timeline-index {
    grid-column: 1;
    grid-row: 1;
    width: 28px;
    height: 28px;
    border-width: 5px;
  }

  .about-timeline-image,
  .about-timeline-item:nth-child(even) .about-timeline-image {
    grid-column: 2;
    grid-row: 2;
    min-height: 250px;
    margin: 24px 0 0 22px;
  }

  .about-timeline-copy,
  .about-timeline-item:nth-child(even) .about-timeline-copy {
    grid-column: 2;
    grid-row: 1;
    max-width: none;
    padding: 0 0 0 22px;
  }

  .about-timeline-copy time {
    margin-bottom: 14px;
  }

  .about-highlight-axis {
    min-height: 0;
  }

  .about-highlight-structure {
    inset: 0;
    opacity: 0.2;
  }

  .about-highlight-columns {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .about-highlight-column {
    min-height: 360px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 0;
  }

  .about-highlight-column:first-child {
    border-top: 0;
  }

  .about-collaboration-grid,
  .about-cooperation-grid,
  .about-project-grid {
    grid-template-columns: 1fr;
  }

  .about-collaboration-card figure {
    min-height: 280px;
  }

  .about-subheading {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }

  .about-project-card figure {
    min-height: 250px;
  }

  .taihe-effect-page {
    padding: 108px 20px 46px;
  }

  .taihe-effect-layout {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .taihe-effect-copy {
    max-width: none;
    padding-top: 52px;
  }

  .taihe-effect-copy h1 {
    margin-bottom: 22px;
    font-size: clamp(50px, 18vw, 76px);
  }

  .taihe-effect-stage {
    order: -1;
    height: 520px;
    min-height: 0;
    margin-top: 18px;
  }

  .taihe-effect-roof {
    top: 24px;
    height: 190px;
  }

  .taihe-effect-copy > span {
    margin-top: 22px;
  }
}

/* Taihe Hall: rigid roof + velocity-plucked vertical text strands. */
.taihe-effect-page {
  position: relative;
  min-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--brand-brown);
  background: #f6f2eb;
}

.taihe-effect-preview {
  min-height: 100svh;
  padding-top: clamp(108px, 12vh, 150px);
  padding-bottom: clamp(48px, 8vh, 88px);
}

.taihe-effect-home {
  padding-top: clamp(58px, 7vw, 96px);
  padding-bottom: clamp(62px, 8vw, 112px);
}

.taihe-effect-stage {
  position: relative;
  width: min(100%, 850px);
  height: clamp(600px, 68vw, 720px);
  min-height: 0;
  margin: 0 auto;
  isolation: isolate;
  cursor: default;
  touch-action: pan-y;
}

.taihe-effect-roof {
  position: absolute;
  z-index: 4;
  top: 12px;
  left: 0;
  width: 100%;
  height: auto;
  overflow: visible;
  pointer-events: none;
  transform: none;
  filter: none;
}

.taihe-effect-roof-image {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.taihe-effect-curtain {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  -webkit-mask-image: none;
  mask-image: none;
  pointer-events: none;
}

@media (max-width: 780px) {
  .taihe-effect-page {
    padding-inline: 16px;
  }

  .taihe-effect-preview {
    padding-top: 96px;
  }

  .taihe-effect-home {
    padding-top: 52px;
    padding-bottom: 74px;
  }

  .taihe-effect-stage {
    width: 100%;
    height: clamp(520px, 112vw, 620px);
    margin-top: 0;
  }
}

@media (max-width: 430px) {
  .taihe-effect-stage {
    height: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .taihe-effect-page,
  .taihe-effect-stage,
  .taihe-effect-roof,
  .taihe-effect-curtain {
    animation: none;
    transition: none;
  }
}

/* Static HTML mobile navigation */
@media (max-width:720px){.primary-nav{display:none}.primary-nav.is-open{display:flex}}
