:root {
  --cinnabar: #a3151b;
  --cinnabar-bright: #c42a2f;
  --cinnabar-deep: #6f0d12;
  --ink: #171614;
  --ink-soft: #26231f;
  --gold: #c8a76a;
  --gold-light: #e4ca94;
  --paper: #f4f0e8;
  --paper-deep: #e9e1d4;
  --white: #fffdf8;
  --muted: #756f66;
  --line: rgba(23, 22, 20, 0.16);
  --shadow: 0 24px 70px rgba(37, 20, 12, 0.14);
  --container: min(1240px, calc(100% - 80px));
  --header-height: 84px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

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

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

::selection {
  background: var(--cinnabar);
  color: var(--white);
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  transition: background-color 0.35s ease, height 0.35s ease, box-shadow 0.35s ease;
}

.inner-page .site-header,
.site-header.is-scrolled {
  height: 72px;
  background: rgba(23, 22, 20, 0.96);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: var(--container);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand__mark {
  width: 48px;
  height: 48px;
  padding: 4px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(200, 167, 106, 0.76);
  border-radius: 50%;
  transition: width 0.35s ease, height 0.35s ease;
}

.site-header.is-scrolled .brand__mark,
.inner-page .brand__mark {
  width: 42px;
  height: 42px;
}

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

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__text strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.brand__text small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 46px);
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  letter-spacing: 0.12em;
  transition: color 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px !important;
  border: 1px solid rgba(200, 167, 106, 0.64);
  color: var(--gold-light) !important;
}

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

.nav-contact svg,
.button svg,
.text-link svg,
.product-card__view svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.home-hero {
  position: relative;
  min-height: min(820px, 84svh);
  color: var(--white);
  background: #180c0d url("../images/hero/collection-web.jpg") center 48% / cover no-repeat;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14, 7, 8, 0.9) 0%, rgba(25, 7, 9, 0.65) 38%, rgba(13, 9, 9, 0.18) 72%, rgba(13, 9, 9, 0.42) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 45%, rgba(0, 0, 0, 0.5));
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.13;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: inherit;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  padding-bottom: 48px;
}

.hero-content {
  width: min(720px, 64%);
  padding-top: 34px;
}

.hero-seal {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 22px;
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.3em;
}

.hero-seal::before {
  content: "";
  width: 44px;
  height: 1px;
  background: currentColor;
}

.home-hero h1 {
  max-width: 700px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(46px, 6vw, 82px);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: 0.08em;
  text-wrap: balance;
}

.home-hero h1 span {
  display: block;
  margin-top: 8px;
  color: var(--gold-light);
  font-size: 0.4em;
  font-weight: 400;
  letter-spacing: 0.32em;
}

.hero-copy {
  max-width: 600px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 24px;
  border: 1px solid transparent;
  font-size: 14px;
  letter-spacing: 0.12em;
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

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

.button--primary {
  background: var(--cinnabar);
  color: var(--white);
}

.button--primary:hover {
  background: var(--cinnabar-bright);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.button--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

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

.button--line {
  border-color: var(--line);
  color: var(--ink);
}

.button--line:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.hero-scroll {
  position: absolute;
  right: 0;
  bottom: 34px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
}

.hero-scroll::after {
  content: "";
  width: 1px;
  height: 56px;
  background: linear-gradient(var(--gold), transparent);
}

.section {
  padding: clamp(88px, 10vw, 148px) 0;
}

.section--compact {
  padding: clamp(68px, 8vw, 108px) 0;
}

.section-kicker {
  margin: 0 0 16px;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: 0.06em;
}

.section-title--light {
  color: var(--white);
}

.section-intro {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: var(--cinnabar);
  font-size: 14px;
  letter-spacing: 0.1em;
}

.text-link svg {
  transition: transform 0.25s ease;
}

.text-link:hover svg {
  transform: translateX(4px);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 290px 290px 340px;
  gap: 18px;
}

.featured-grid .product-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: var(--ink);
}

.featured-grid .product-card:nth-child(1) {
  grid-column: span 7;
  grid-row: span 2;
}

.featured-grid .product-card:nth-child(2),
.featured-grid .product-card:nth-child(3) {
  grid-column: span 5;
}

.featured-grid .product-card:nth-child(4),
.featured-grid .product-card:nth-child(5) {
  grid-column: span 6;
}

.featured-grid .product-card__image {
  position: absolute;
  inset: 0;
  height: 100%;
}

.featured-grid .product-card__image::after {
  content: "";
  position: absolute;
  inset: 30% 0 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.82));
}

.product-card__image {
  position: relative;
  display: block;
  overflow: hidden;
  background: #e8dfd2;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card:hover .product-card__image img {
  transform: scale(1.045);
}

.product-card__view {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.12em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.product-card:hover .product-card__view {
  opacity: 1;
  transform: translateY(0);
}

.product-card__body {
  padding: 24px 4px 8px;
}

.featured-grid .product-card__body {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  padding: 34px;
  color: var(--white);
}

.product-card__category {
  margin: 0 0 8px;
  color: var(--cinnabar);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.featured-grid .product-card__category {
  color: var(--gold-light);
}

.product-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.35;
}

.product-card h3 a {
  transition: color 0.25s ease;
}

.product-card h3 a:hover {
  color: var(--cinnabar);
}

.featured-grid .product-card h3 a:hover {
  color: var(--gold-light);
}

.product-card__body > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.featured-grid .product-card__body > p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.category-band {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.category-band::before {
  content: "朱  砂  雅  集";
  position: absolute;
  right: -30px;
  top: -54px;
  color: rgba(255, 255, 255, 0.025);
  font-family: var(--serif);
  font-size: clamp(100px, 16vw, 240px);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.category-band__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: center;
  min-height: 720px;
}

.category-band__copy p:last-child {
  max-width: 460px;
  color: rgba(255, 255, 255, 0.58);
}

.category-list {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.category-list a {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.category-list a:hover {
  padding-left: 12px;
  color: var(--gold-light);
}

.category-list span:first-child {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.category-list strong {
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.category-list svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
}

.story-image {
  position: relative;
  min-height: 560px;
}

.story-image img {
  width: 92%;
  height: 520px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.story-image::after {
  content: "德莱云上 · 贵州万山";
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 280px;
  padding: 20px;
  background: var(--cinnabar);
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.12em;
  text-align: center;
  white-space: nowrap;
  writing-mode: vertical-rl;
}

.story-copy blockquote {
  margin: 28px 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--cinnabar);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.8;
}

.story-copy > p:not(.section-kicker) {
  color: var(--muted);
}

.advantage-section {
  background: #211f1b;
  color: var(--white);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.advantage-item {
  min-height: 280px;
  padding: 38px 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.advantage-item:last-child {
  border-right: 0;
}

.advantage-item svg {
  width: 42px;
  height: 42px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.2;
}

.advantage-item h3 {
  margin: 48px 0 12px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.advantage-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
}

.closing-cta {
  position: relative;
  overflow: hidden;
  background: var(--cinnabar);
  color: var(--white);
}

.closing-cta::before,
.closing-cta::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(228, 202, 148, 0.25);
  border-radius: 50%;
}

.closing-cta::before {
  width: 520px;
  height: 520px;
  top: -360px;
  left: -130px;
}

.closing-cta::after {
  width: 340px;
  height: 340px;
  right: -120px;
  bottom: -250px;
}

.closing-cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  padding-top: 74px;
  padding-bottom: 74px;
}

.closing-cta h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.closing-cta p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.closing-cta .button {
  min-width: 160px;
  border-color: rgba(255, 255, 255, 0.5);
}

.site-footer {
  padding: 64px 0 28px;
  background: #11110f;
  color: rgba(255, 255, 255, 0.68);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.55fr 0.8fr;
  gap: 70px;
  padding-bottom: 50px;
}

.footer-brand .brand {
  color: var(--white);
}

.footer-brand > p {
  max-width: 420px;
  margin: 24px 0 0;
  font-size: 14px;
}

.footer-column h3 {
  margin: 0 0 20px;
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.footer-column a,
.footer-column p {
  display: block;
  margin: 9px 0;
  font-size: 14px;
}

.footer-column a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  font-size: 12px;
}

.page-hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: end;
  padding: calc(var(--header-height) + 90px) 0 80px;
  overflow: hidden;
  background: #251315 url("../images/hero/collection-web.jpg") center 48% / cover no-repeat;
  color: var(--white);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17, 9, 10, 0.9), rgba(65, 8, 12, 0.62) 48%, rgba(0, 0, 0, 0.36));
}

.page-hero__content {
  position: relative;
  z-index: 1;
  width: min(680px, 70%);
}

.page-hero h1,
.about-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.page-hero p,
.about-hero p {
  max-width: 600px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.05em;
}

.catalog-toolbar {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(244, 240, 232, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.catalog-toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-button {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.filter-button:hover {
  border-color: var(--line);
  color: var(--cinnabar);
}

.filter-button.is-active {
  background: var(--cinnabar);
  color: var(--white);
}

.result-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.catalog-section {
  min-height: 680px;
  padding: 70px 0 120px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 54px 22px;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.product-grid.is-updating {
  opacity: 0;
  transform: translateY(8px);
}

.product-grid .product-card__image {
  aspect-ratio: 1 / 1;
}

.product-grid .product-card__view {
  background: rgba(23, 22, 20, 0.86);
  padding: 9px 12px;
}

.product-grid .product-card h3 {
  font-size: 21px;
}

.detail-main {
  padding: calc(var(--header-height) + 58px) 0 110px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.breadcrumbs a:hover {
  color: var(--cinnabar);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: clamp(50px, 6vw, 90px);
  align-items: start;
}

.gallery {
  position: sticky;
  top: 104px;
  min-width: 0;
}

.gallery-main {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #e7ded0;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.2s ease, transform 0.5s ease;
}

.gallery-main img.is-changing {
  opacity: 0;
  transform: scale(1.015);
}

.gallery-arrow {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50%;
  background: rgba(23, 22, 20, 0.52);
  color: var(--white);
  transform: translateY(-50%);
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.gallery-arrow--prev {
  left: 18px;
}

.gallery-arrow--next {
  right: 18px;
}

.gallery-arrow svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.gallery-thumbnails {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.gallery-thumbnails button {
  aspect-ratio: 1 / 1;
  padding: 0;
  overflow: hidden;
  border: 1px solid transparent;
  background: #e7ded0;
  cursor: pointer;
  opacity: 0.6;
  transition: border-color 0.25s ease, opacity 0.25s ease;
}

.gallery-thumbnails button:hover,
.gallery-thumbnails button.is-active {
  border-color: var(--cinnabar);
  opacity: 1;
}

.gallery-thumbnails img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-info {
  padding-top: 16px;
}

.detail-category {
  margin: 0 0 14px;
  color: var(--cinnabar);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.detail-info h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 500;
  line-height: 1.26;
  letter-spacing: 0.05em;
}

.detail-lead {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.detail-meta {
  margin: 34px 0;
  border-top: 1px solid var(--line);
}

.detail-meta__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.detail-meta dt {
  color: var(--muted);
  font-size: 13px;
}

.detail-meta dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 15px;
}

.meaning-box {
  margin-top: 32px;
  padding: 28px;
  background: var(--paper-deep);
  border-left: 3px solid var(--cinnabar);
}

.meaning-box h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.meaning-box p {
  margin: 0;
  color: var(--muted);
}

.detail-note {
  margin: 26px 0 0;
  color: #8d8278;
  font-size: 12px;
}

.related-section {
  padding: 92px 0 120px;
  background: var(--white);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 42px;
}

.related-card__image {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper-deep);
}

.related-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

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

.related-card > div {
  padding-top: 20px;
}

.related-card p {
  margin: 0 0 6px;
  color: var(--cinnabar);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.related-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
}

.about-hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: end;
  padding: calc(var(--header-height) + 100px) 0 92px;
  background: #242526 url("../images/brand/company-hq.jpg") center / cover no-repeat;
  color: var(--white);
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 13, 13, 0.88), rgba(12, 13, 13, 0.34) 65%, rgba(12, 13, 13, 0.16)), linear-gradient(0deg, rgba(0, 0, 0, 0.55), transparent 58%);
}

.about-hero__content {
  position: relative;
  z-index: 1;
  width: min(700px, 72%);
}

.about-intro {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: start;
}

.about-intro__aside {
  position: sticky;
  top: 120px;
}

.about-intro__aside .vertical-mark {
  width: 62px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 34px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
}

.about-intro__body > p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 17px;
  line-height: 2;
}

.about-intro__body .lead {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.7;
}

.stats-band {
  background: var(--cinnabar);
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 48px 0;
}

.stat-item {
  padding: 0 32px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

.stat-item:first-child {
  padding-left: 0;
}

.stat-item:last-child {
  border-right: 0;
}

.stat-item strong {
  display: block;
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
}

.stat-item span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.culture-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: center;
}

.culture-copy > p:not(.section-kicker) {
  color: var(--muted);
}

.culture-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 34px;
}

.culture-point {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.culture-point h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
}

.culture-point p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.culture-visual {
  position: relative;
  min-height: 590px;
}

.culture-visual img {
  width: 85%;
  height: 560px;
  margin-left: auto;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.culture-visual__seal {
  position: absolute;
  left: 0;
  bottom: 44px;
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  background: var(--ink);
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0.16em;
}

.business-section {
  background: var(--ink);
  color: var(--white);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 52px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.business-item {
  min-height: 260px;
  padding: 34px 30px 40px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.business-item:nth-child(3n + 2),
.business-item:nth-child(3n + 3) {
  padding-left: 30px;
}

.business-item:nth-child(3n) {
  border-right: 0;
}

.business-item span {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.business-item h3 {
  margin: 42px 0 12px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
}

.business-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.honor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.honor-item {
  background: var(--white);
  border: 1px solid var(--line);
}

.honor-item img {
  width: 100%;
  aspect-ratio: 1.55 / 1;
  padding: 22px;
  background: var(--paper-deep);
  object-fit: contain;
}

.honor-item div {
  padding: 24px 26px 28px;
}

.honor-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
}

.honor-item p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: start;
}

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

.contact-list__item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list__item span {
  color: var(--muted);
  font-size: 13px;
}

.contact-list__item a,
.contact-list__item strong {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
}

.contact-list__item a:hover {
  color: var(--cinnabar);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

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

@media (max-width: 1080px) {
  :root {
    --container: min(100% - 48px, 960px);
  }

  .site-nav {
    gap: 22px;
  }

  .nav-contact {
    display: none;
  }

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

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

  .advantage-item:nth-child(2) {
    border-right: 0;
  }

  .advantage-item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .category-band__inner,
  .story-grid,
  .culture-grid {
    gap: 56px;
  }

  .footer-grid {
    grid-template-columns: 1.1fr 0.6fr 0.8fr;
    gap: 40px;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 72px;
    --container: calc(100% - 40px);
  }

  .brand__text strong {
    font-size: 16px;
  }

  .brand__text small {
    display: none;
  }

  .menu-toggle {
    display: block;
    position: relative;
    z-index: 2;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    padding: 100px 30px 50px;
    background: rgba(23, 22, 20, 0.985);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    font-family: var(--serif);
    font-size: 25px;
    letter-spacing: 0.14em;
  }

  .nav-contact {
    display: inline-flex;
    margin-top: 18px;
    font-family: var(--sans) !important;
    font-size: 14px !important;
  }

  .home-hero {
    min-height: 78svh;
    background-position: 61% center;
  }

  .home-hero::before {
    background: linear-gradient(90deg, rgba(14, 7, 8, 0.9), rgba(20, 7, 8, 0.57) 65%, rgba(13, 9, 9, 0.34)), linear-gradient(180deg, rgba(0, 0, 0, 0.25), transparent 48%, rgba(0, 0, 0, 0.55));
  }

  .hero-content {
    width: 84%;
  }

  .home-hero h1 {
    font-size: clamp(42px, 10vw, 66px);
  }

  .hero-scroll {
    right: 20px;
  }

  .featured-grid {
    grid-template-rows: 420px 250px 250px 300px;
  }

  .featured-grid .product-card:nth-child(1) {
    grid-column: span 12;
    grid-row: auto;
  }

  .featured-grid .product-card:nth-child(2),
  .featured-grid .product-card:nth-child(3),
  .featured-grid .product-card:nth-child(4),
  .featured-grid .product-card:nth-child(5) {
    grid-column: span 6;
  }

  .category-band__inner,
  .story-grid,
  .detail-layout,
  .about-intro,
  .culture-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .category-band__inner {
    gap: 44px;
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .story-image img {
    width: 94%;
  }

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

  .detail-layout {
    gap: 46px;
  }

  .gallery,
  .about-intro__aside {
    position: static;
  }

  .about-intro__aside {
    display: flex;
    align-items: end;
    justify-content: space-between;
  }

  .about-intro__aside .vertical-mark {
    min-height: 170px;
    margin-bottom: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 0;
  }

  .stat-item:nth-child(2) {
    border-right: 0;
  }

  .stat-item:nth-child(3) {
    padding-left: 0;
  }

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

  .business-item:nth-child(n) {
    padding-left: 24px;
    padding-right: 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }

  .business-item:nth-child(odd) {
    padding-left: 0;
  }

  .business-item:nth-child(even) {
    border-right: 0;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  :root {
    --container: calc(100% - 28px);
  }

  body {
    font-size: 15px;
  }

  .site-header,
  .inner-page .site-header,
  .site-header.is-scrolled {
    height: 66px;
  }

  .brand__mark,
  .inner-page .brand__mark,
  .site-header.is-scrolled .brand__mark {
    width: 39px;
    height: 39px;
  }

  .brand__text strong {
    font-size: 14px;
    letter-spacing: 0.05em;
  }

  .home-hero {
    min-height: 84svh;
    background-position: 64% center;
  }

  .home-hero::before {
    background: linear-gradient(90deg, rgba(11, 6, 7, 0.91), rgba(20, 5, 7, 0.58)), linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 40%, rgba(0, 0, 0, 0.68));
  }

  .hero-inner {
    align-items: flex-end;
    padding-bottom: 76px;
  }

  .hero-content {
    width: 100%;
  }

  .hero-seal {
    font-size: 11px;
  }

  .home-hero h1 {
    font-size: 42px;
    letter-spacing: 0.04em;
  }

  .home-hero h1 span {
    font-size: 0.36em;
    letter-spacing: 0.2em;
  }

  .hero-copy {
    margin-top: 18px;
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .hero-actions .button {
    flex: 1 1 auto;
    min-width: 138px;
    padding-inline: 14px;
    font-size: 12px;
  }

  .hero-scroll {
    display: none;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 34px;
  }

  .featured-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, 360px);
  }

  .featured-grid .product-card:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }

  .featured-grid .product-card__body {
    padding: 24px;
  }

  .category-list a {
    grid-template-columns: 40px 1fr auto;
  }

  .story-image {
    min-height: 430px;
  }

  .story-image img {
    width: 100%;
    height: 390px;
  }

  .story-image::after {
    width: 96px;
    height: 210px;
    padding: 14px;
    font-size: 13px;
    letter-spacing: 0.08em;
  }

  .advantage-grid,
  .product-grid,
  .related-grid,
  .honor-grid,
  .business-grid {
    grid-template-columns: 1fr;
  }

  .advantage-item:nth-child(n) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .advantage-item:last-child {
    border-bottom: 0;
  }

  .advantage-item h3 {
    margin-top: 28px;
  }

  .closing-cta__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 30px;
  }

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

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-hero {
    min-height: 440px;
    padding-bottom: 60px;
    background-position: 62% center;
  }

  .page-hero__content,
  .about-hero__content {
    width: 100%;
  }

  .page-hero h1,
  .about-hero h1 {
    font-size: 42px;
  }

  .page-hero p,
  .about-hero p {
    font-size: 15px;
  }

  .catalog-toolbar {
    top: 66px;
  }

  .catalog-toolbar__inner {
    min-height: 76px;
  }

  .result-count {
    display: none;
  }

  .product-grid {
    gap: 46px 0;
  }

  .product-grid .product-card h3 {
    font-size: 24px;
  }

  .detail-main {
    padding-top: 104px;
  }

  .gallery-arrow {
    width: 40px;
    height: 40px;
  }

  .detail-info h1 {
    font-size: 38px;
  }

  .contact-actions .button {
    width: 100%;
  }

  .about-hero {
    min-height: 560px;
    background-position: 55% center;
  }

  .about-intro__aside {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

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

  .stat-item:nth-child(n) {
    padding: 0 0 24px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  }

  .stat-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .culture-points {
    grid-template-columns: 1fr;
  }

  .culture-visual {
    min-height: 430px;
  }

  .culture-visual img {
    width: 100%;
    height: 410px;
  }

  .culture-visual__seal {
    width: 124px;
    height: 124px;
    bottom: -20px;
    font-size: 21px;
  }

  .business-item:nth-child(n) {
    min-height: 0;
    padding: 28px 0 34px;
    border-right: 0;
  }

  .business-item h3 {
    margin-top: 24px;
  }

  .contact-list__item {
    grid-template-columns: 76px 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}