:root {
  --ink: #202022;
  --muted: #6b675f;
  --line: #ded9ce;
  --paper: #faf8f3;
  --surface: #ffffff;
  --gold: #b8892f;
  --green: #526a57;
  --teal: #236c78;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(250, 248, 243, 0.92);
  border-bottom: 1px solid rgba(32, 32, 34, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(32, 32, 34, 0.12);
  border-radius: 6px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #3d3b36;
  font-size: 15px;
}

.nav-links a {
  padding: 8px 10px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  border-color: var(--gold);
  color: #000000;
}

.hero {
  position: relative;
  min-height: calc(100vh - 108px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #222222;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04) brightness(0.86);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(17, 18, 18, 0.86), rgba(17, 18, 18, 0.46) 48%, rgba(17, 18, 18, 0.12)),
    linear-gradient(0deg, rgba(17, 18, 18, 0.42), rgba(17, 18, 18, 0.02) 45%);
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0 88px;
  color: #ffffff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
}

.hero h1,
.section h2 {
  margin: 0;
  font-weight: 800;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.hero h1 {
  max-width: 820px;
  font-size: 56px;
}

.hero-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  line-height: 1.2;
}

.button.primary {
  background: var(--gold);
  color: #17120a;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.58);
  color: #ffffff;
}

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

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 86px 0;
  scroll-margin-top: 84px;
}

.split-layout,
.section-heading,
.factory-block,
.contact-panel {
  display: grid;
  gap: 32px;
}

.split-layout {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: start;
}

.section h2 {
  font-size: 36px;
}

.section p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.quick-facts {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.quick-facts div {
  padding: 22px;
  background: var(--surface);
}

.quick-facts strong,
.quick-facts span {
  display: block;
}

.quick-facts strong {
  margin-bottom: 6px;
}

.quick-facts span {
  color: var(--muted);
}

.about-brand-card {
  display: grid;
  gap: 18px;
}

.about-brand-card > img {
  width: 112px;
  height: 112px;
  object-fit: cover;
  border: 1px solid rgba(32, 32, 34, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(32, 32, 34, 0.08);
}

.products-section,
.contact-section {
  width: 100%;
  padding-right: max(24px, calc((100vw - 1180px) / 2));
  padding-left: max(24px, calc((100vw - 1180px) / 2));
  background: #ffffff;
}

.products-section {
  border-block: 1px solid rgba(32, 32, 34, 0.08);
}

.section-heading {
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.55fr);
  align-items: end;
  margin-bottom: 34px;
}

.section-heading p {
  margin: 0;
}

.product-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin: -10px 0 18px;
}

.carousel-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}

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

.product-grid {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 2px 2px 18px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--gold) #eee8dc;
}

.product-card {
  flex: 0 0 min(380px, 86vw);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  scroll-snap-align: start;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #f2f0ea;
  filter: saturate(1.02) contrast(1.04);
}

.product-body {
  padding: 20px;
}

.product-body h3 {
  margin: 0;
  font-size: 20px;
}

.product-body p {
  margin-top: 8px;
  font-size: 15px;
}

.factory-section {
  width: min(1180px, calc(100% - 48px));
}

.factory-sections {
  display: grid;
  gap: 24px;
}

.factory-block {
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: stretch;
}

.factory-video {
  width: 100%;
  min-height: 360px;
  border-radius: 8px;
  background: #171717;
  object-fit: cover;
}

.factory-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.factory-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--surface);
}

.factory-gallery img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.factory-gallery figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 14px;
}

.factory-copy {
  padding: 28px;
  border-left: 4px solid var(--teal);
  background: #eef4f2;
}

.block-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.factory-copy h3 {
  margin: 0;
  font-size: 24px;
}

.factory-points {
  padding: 28px;
  border-left: 4px solid var(--gold);
  background: #fff8ea;
}

.factory-points h3 {
  margin: 0;
  font-size: 24px;
}

.factory-points ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.factory-points li {
  padding: 14px;
  border: 1px solid rgba(35, 108, 120, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.72);
}

.contact-section {
  padding-top: 86px;
  padding-bottom: 86px;
}

.contact-panel {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  align-items: start;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(184, 137, 47, 0.09), rgba(35, 108, 120, 0.08)),
    #ffffff;
}

.contact-route-card {
  overflow: hidden;
  border: 1px solid rgba(32, 32, 34, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 20px 55px rgba(32, 32, 34, 0.08);
}

.route-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(32, 32, 34, 0.12);
}

.route-tabs a {
  padding: 16px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 800;
  text-align: center;
}

.route-tabs a:hover {
  background: #fff8ea;
  color: var(--gold);
}

.contact-list {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  background: rgba(32, 32, 34, 0.12);
  font-style: normal;
}

.contact-list p {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 16px;
  background: #ffffff;
  color: var(--ink);
}

.contact-list strong {
  color: var(--muted);
}

.contact-list a {
  color: var(--teal);
  font-weight: 800;
}

.contact-actions {
  grid-column: 1 / -1;
  margin: 0;
  padding: 16px;
  background: #ffffff;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px max(24px, calc((100vw - 1180px) / 2));
  color: rgba(255, 255, 255, 0.72);
  background: #202022;
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 680px;
  }

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

  .hero-copy {
    font-size: 18px;
  }

  .split-layout,
  .section-heading,
  .factory-block,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .factory-gallery,
  .factory-points ul {
    grid-template-columns: 1fr;
  }

  .factory-video {
    min-height: 300px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: auto;
    padding: 10px 18px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .nav-links {
    font-size: 14px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-content,
  .section,
  .factory-section {
    width: min(100% - 36px, 1180px);
  }

  .hero-content {
    padding-bottom: 56px;
  }

  .hero h1 {
    font-size: 31px;
  }

  .hero-copy,
  .section p {
    font-size: 16px;
  }

  .section,
  .products-section,
  .contact-section {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .products-section,
  .contact-section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .section h2 {
    font-size: 26px;
  }

  .product-toolbar {
    justify-content: flex-start;
  }

  .product-card {
    flex-basis: 84vw;
  }

  .contact-panel {
    padding: 22px;
  }

  .contact-list p {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    padding-right: 18px;
    padding-left: 18px;
  }
}